1. science
2. mathematics
3. statistics

Linking the Indian Census with the National Sample Survey∗
Mamta Murthi
Clare Hall, Cambridge
P V Srinivasan
IGIDR, Bombay
S V Subramanian
Institute for the Geography of Health, University of Portsmouth
Draft: June 1999
∗ We are grateful to Jean Drèze for detailed suggestions and comments.
1 Introduction
This paper discusses why it is useful to augment district-level information in the
Census of India with regional consumption and poverty estimates from the National
Sample Survey. It provides an illustration of how the two sources of data might be
brought together by linking district lists from two recent Censuses (1981 and 1991)
with regional poverty estimates from three rounds of the NSS (1972-73, 1987-88, and
1993-94).
2 The need to augment the Census
The Census of India is a rich source of information on demographic and other
socio-economic variables. Conducted every decade since 1871, the Census provides
perhaps the longest time-series on social and economic change in India.1 In addition
national and state level aggregates, the Census contains detailed information at the
level of the district (the basic unit of administration) and, in many instances, lower
levels of disaggregation such as towns and wards (in urban areas) and blocks and
villages (in rural areas). As a result, the data allow us to look at a number of issues,
including population growth, births, deaths, female-male ratios, education, occupation,
and urbanization, and how and why they vary over time and space, using the district as
the unit of analysis.
In the area of population and demography, it is difficult to over-emphasize the
importance of the Census. The system of civil registration of births and deaths in India
is simply too incomplete to provide an accurate estimate of vital rates (see Government
of India, 1972 among others). As a result, the Sample Registration System (SRS) was
set up in the late 1960s to provide reliable and timely vital statistics, and starting from
1971, the Census was expanded to include questions on fertility and child mortality.
The SRS and the decennial Census remain the only two nation-wide sources of
information on these questions.2 Of the two, only the Census provides information at
the district-level. The need to cover the entire population and range of issues covered
in the Census introduces a greater scope for error. Remarkably, the two sources
provide estimates of vital rates which are broadly similar (see e.g. Government of
India, 1983, 1988a).
One of the major difficulties with using the Census for district-level policy
analysis is that it contains no information on income, consumption levels, or poverty.
Although a number of variables can be used as proxies for per-capita income or
1
For two excellent perspectives on the Indian Censuses see Natrajan (1972) and Srivastava (1972).
The National Sample Survey (NSS) collected information on population questions from 1958-68,
and a comprehensive module on fertility, family planning, and mortality was included in the 28th
round of the NSS (1973-74). However, plans to repeat the module at regular intervals were dropped
when comparative studies of the NSS and SRS revealed that the NSS suffered from significant
omissions. See, Government of India (1981) and Rama Rao et. al. (1987). The recent National
Family Health Survey (1992-93) and its successor survey (currently underway) are an alternative
source of estimates for the 1990s.
2
consumption (such as urbanization, or the proportion of agricultural labourers in the
total population), these are a far cry from the fairly detailed information on individual
consumption and expenditure collected through household income and expenditure
surveys. As a result, it is difficult to control for per-capita income or poverty when
conducting district-level analysis using Census information.
One way around this problem is to import information on income or
consumption from other sources. The principal source of information on household
consumption in India is the National Sample Survey (NSS). The NSS does not sample
from every district in the country. However, sample sizes are reasonably large at the
level of the NSS region, which is an intermediate unit between a district and a state.
This opens up the possibility of using NSS region-level estimates of consumption and
poverty in conjunction with Census data. Indeed, this is the approach employed in
Murthi, Guio, and Drèze (1995) and Drèze and Srinivasan (1996).
Matching information from the NSS with the Census involves the very practical
question of knowing which Census districts comprise which NSS regions. Moreover,
constructing a time-series involves keeping track of changes in the boundaries of both
Census districts and NSS regions. This paper documents how a consistent time-series
can be constructed for the two most recent Censuses as a particular illustration of how
the Census and the NSS can be used together. 3 The rest of the paper is organized as
follows. The next section describes how district lists from the 1981 and 1991
Censuses can be put together, while Section 4 discusses the changing composition of
the NSS regions over three rounds, 1972-73, 1987-88, and 1993-94. Section 5
concludes.
3 Matching districts across Census years: 1981 and 1991
The spatial units (e.g. districts, towns etc.) at which Census information is
compiled owe their existence to administrative functions other than the Census. As a
result, their boundaries change over time, in response to administrative requirements
and/or political need. Typically, the number of districts has increased over time, with
districts tending to be partitioned rather than merged. This process of carving out new
political and administrative ‘spaces’ has accelerated somewhat in the 90s. For
example, newspaper reports suggest that the number of districts in Uttar Pradesh will
be in the range of 90 for the 2001 Census from the present total of 63.
The main problem confronting any researcher who wants to use the 1981 and
1991 Censuses to conduct district-level analysis is the partitioning of districts between
the two Census years (see Table 1). As a result, there were 466 districts in 1991
compared to 412 districts in 1981.4 A further problem is that some districts retain their
3
There are other problems that arise in creating a consistent time-series, e.g., changes in definitions
across years. However, these are not the focus of this paper.
4
These figures include states which were not covered by the Census in particular years. No Census
was held in Assam in 1981, and in Jammu and Kashmir in 1991. To obtain the total for 1981, we
names even when their boundaries have changed. For example, the 1981 district of
Ambala in Haryana split into two districts, called Ambala and Yamunanagar, in 1991.
Table 1
States where district changes took place between 1981 and 1991
States5
Arunachal Pradesh
Assam
Bihar
Goa
Haryana
Karanataka
Kerala
Maharashtra
Manipur
Rajasthan
Tamil Nadu
Uttar Pradesh
West Bengal
India
Number of districts
1981
1991
9
10
31
1
12
19
12
26
6
26
16
56
16
412
11
23
42
2
16
20
14
30
8
27
21
63
17
466
In general, the best source of information on district boundary changes are the
Census Atlases introduced in the 1961 Census (see, for example, Government of India,
1988b for changes that took place between 1971 and 1981). A more time-consuming
alternative is to compare district boundaries across Census years using the District
Census Handbooks, of which there is one per district. However, to the best of our
knowledge, no Census Atlas has been produced for the 1991 Census and a full set of
Handbooks for the 1991 districts is yet to be compiled. We therefore compared allIndia administrative division maps for 1981 and 1991 in order to establish changes.
All-India administrative division maps are provided on the scale of 1 cm to 100 km
(1:100,000). The 1981 Census Atlas contains the all-India administrative division map
for 1981. For 1991, a similar map was made available by the Census in its early
publications (e.g. Government of India, 1992).
Using the all-India administrative division maps, we matched 1981 districts to
1991 districts. This ‘mapping’ is reported in columns 1 and 2 of the Appendix.6 Most
of the district changes between 1981 and 1991 are relatively simple (see Table 2). In
most cases, one 1981 district was bifurcated into two 1991 districts. For example, the
added the number of districts in Assam (10) to the actual number of districts covered by the 1981
Census (402). Likewise, to obtain the total for 1991, we added the number of districts in Jammu and
Kashmir (14) to the actual number covered by the 1991Census (452).
5
The term ‘state’ includes Union Territories which were accorded the status of states by the 1991
Census (e.g. Arunachal Pradesh and Goa).
6
Our ‘mapping’ is based on sources that were available at the time of writing and may be subject to
minor revision after the 1991 Census Atlas is published.
1981 district of Osmanabad in Maharashtra was partitioned into two 1991 districts,
Osmanabad and Latur. In nine instances, the 1981 district was bifurcated into three or
more 1991 districts (e.g. Ranchi of 1981 became Lohardaga, Gumla, and Ranchi in
1991). Finally, there was one instance where a 1991 district (Panipat in Haryana) was
created from two 1981 districts (Karnal and Kurukshetra).7
Table 2
Nature of correspondence between 1981 and 1991 districts
Outcome (1991)
One 1991 district
Two 1991 districts
Three or more 1991 districts
One 1991 district
=
=
=
=
Source (1981)
One 1981 district
One 1981 district
One 1981 district
Two 1981 districts
Number of cases
368
33
9
1
In using the information in the Appendix to construct a time-series involving
district-level estimates of particular variables (e.g. birth rates, literacy rates etc.), the
researcher needs to decide which year to select as ‘base’. There are two options.
•
•
7
Taking 1991 as the base would mean drawing a boundary on the 1981 map
corresponding to the blocks/tehsils that were used to create the 1991
districts, and determining the 1981 level of the variable in question for that
group of blocks/tehsils. In general, this can be quite difficult to do, given
that these administrative units were not created until the later period. For
many variables, information at the relevant sub-district level may simply not
exist for 1981. Alternatively, one can assign the 1981 value of a particular
variable for a given 1981 district to each of the 1991 districts created from
it, although this is at the cost of precision.
Taking 1981 as base would mean calculating the 1991 value of a variable
for a particular district as an average over the relevant 1981 districts. While
this is practically easier to achieve, it is spatially less detailed and could
mask valuable information. However, for one of the variables we have
considered (illiteracy), we find that the levels and patterns observed for new
1991 districts are more or less similar to that of their 1981 source districts
(see Subramanian, forthcoming). It follows that using 1981 as base makes
no significant difference to district-level spatial patterns. This is because
while new boundaries may have been drawn, this has not affected the
performance (or lack of it) of new districts which tend to show patterns
similar to the source district.
There is another possible category, where 1981 districts are re-configured but retained their names.
Our reading of the all-India administrative divisions maps from 1981 and 1991 suggests that the
adjacent districts of Rohtak and Sonipat in Haryana were adjusted in such as way that villages
belonging to Sonipat were transferred to Rohtak in 1991. However, for confirmation, we await
Census Atlas for 1991. For the present we have assumed that these districts are unchanged.
We leave it to individual researchers to decide which method to adopt.
Before concluding this section, it is worth mentioning another issue that arises
when using the 1981 and 1991 Censuses. The 1981 Census was not conducted in
Assam, while the 1991 Census was not conducted in Jammu and Kashmir. For these
two states, it is not possible to use these two Censuses to analyze changes during the
1980s.
4 Matching Census districts with NSS regions
The NSS is the primary source of information on per capita expenditure and
poverty in India. Expenditure and poverty estimates are available at the all-India and
state level, separately for rural and urban areas.
There are significant differences within states in living conditions, so it is
fortunate that there are estimates of per-capita expenditure and poverty at the sub-state
or ‘regional’ level. NSS regions typically consist of several districts within a state with
similar agro-climatic conditions and socio-economic features. Regional estimates
therefore provide a reasonably good first approximation to district-level conditions of
consumption and poverty. To make use of these estimates one can either use the
region-level estimate as the district-level estimate, or ‘collapse’ districts into regions
and work at the regional level.
Regional estimates of expenditure and poverty are available for three rounds of
the NSS: 1972-73, 1987-88, and 1993-94 (see Table 3 for sources). The first two
straddle the 1981 Census, the second two the 1991 Census, so interpolations may be
used to construct estimates that correspond more closely to the Census periods.
Policy changes at the NSSO have meant that unit record data are now more easily
accessible, including data from the 1983 round. This round could also be used to
construct regional poverty estimates. In this paper we focus on the three rounds for
which published estimates already exist.
Table 3
Source of regional poverty estimates
Year
1972-73
Published poverty
estimates at regional
level
Yes
1983
1987-88
No
Yes
1993-94
Yes
Source8
Jain et. al., 1988
Drèze and Srinivasan, 1996; Dubey
and Gangopadhyay, 1998
Dubey and Gangopadhyay, 1998
Unit record
data available
from NSSO
No
Yes
Yes
Yes
Information on the district composition of the NSS regions is available from a
number of sources. For 1972-73, the main source is Jain et. al. (1988). For 1987-88
and 1993-94, the information is available from the relevant issues of ‘Instructions to
the Field Staff: Design, Concepts, Definitions and Procedures’, published by the
National Sample Survey Organization to accompany each survey.
Using these sources we have compiled a regional classification of districts
which is presented in Appendix 1. In general, the mapping of districts to regions on
the strength of these sources is pretty straightforward. The only exception is Gujarat
where some regions cut across district boundaries. Here we assign a district to a
particular NSS region if the majority of its blocks/tehsils lie within that region. For
example, the district of Valsad is assigned to ‘Gujarat Eastern’ as six of its eight tehsils
lie in that region.
As with districts, the number of NSS regions has increased over time (see
Table 4). The 1972-73 round covered 62 regions in 21 states. This went up to 77
regions in 1987-88 and 78 regions in 1993-94. A large part of the increase has been
due to increases in coverage. Thus, of the 15 additional regions created between
1972-73 and 1987-88, 10 were due to the inclusion of so-called small states (with a
population less than 10 million) and union territories.9 The other 5 were from the
partitioning or redefinition of existing regions in 4 states: Andhra Pradesh, Assam,
Madhya Pradesh and Tamil Nadu.
8
Dubey and Gangopadhyay present estimates for a range of poverty lines, including the widely-used
Dandekar and Rath (1971) poverty line. Drèze and Srinivasan and Jain et. al. use the Dandekar and
Rath line. The 1987-88 poverty estimates from the two different sources are mutually consistent.
9
The small states and Union Territories for which estimates became available are: Andaman and
Nicobar Islands; Arunachal Pradesh; Chandigarh; Dadra and Nagar Haveli; Goa, Daman and Diu;
Lakshadweep; Nagaland; Mizoram; Pondichery; and Sikkim.
Table 4
States where region changes occurred
State
Number of NSS regions
1972-73
1987-88
2
3
3
4
1
5
7
3
4
62
77
Assam
Andhra Pradesh
Goa, Daman and Diu
Madhya Pradesh
Tamil Nadu
India
1993-94
3
4
2
7
4
78
Changes in boundaries of regions creates the need for caution when comparing
NSS regions across time (e.g. when working at the regional level of aggregation).
Between 1972-73 and 1987-88, there were two instances where regions were
partitioned (see Table 5).10 However, in both cases the integrity of the source region
was maintained, so the regions remain comparable over time.11 In two other cases
(Madhya Pradesh and Tamil Nadu), boundaries were changed in such a way as to rule
out simple comparisons. Tamil Nadu consisted of 3 NSS regions in 1972-73 and 4
regions in 1987-88. One of the 1987-88 regions is identical in composition to a 197273 region (‘Tamil Nadu Coastal Northern’). However, the other three 1987-88
regions consist of a different combination of districts comprising the original two
1972-73 regions. Similarly, in Madhya Pradesh, districts have changed regional
affiliations in such a way as to make the five 1972-73 regions not comparable with the
seven 1987-88 regions. In the case of these two states, there is no straightforward
way of constructing a time series of poverty at the regional level.12
Table 5
Correspondence between NSS regions, 1972-73 and 1987-88
Outcome (1987-88)
One 1987-88 region
Two 1987-88 regions
Two or more 1987-88 regions
10
=
=
=
Source (1972-73)
One 1972-73 region
One 1972-73 region
Two or more 1972-73 regions
Number of Cases
58
2
2
The region of ‘Andhra Pradesh Inland Southern’ was divided into ‘Andhra Pradesh South Western’
and ‘Andhra Pradesh Inland Southern’, while ‘Assam Plains’ became ‘Assam Eastern Plains’ and
‘Assam Western Plains’.
11
The issues that arise (e.g. which year to chose as ‘base’) are identical to the earlier discussion on
districts.
12
Of course, this does not necessitate dropping these two states from any regional-level analysis. One
option would be to work at a level of aggregation at which there has been no change in boundaries i.e.
the state level. In the case of Tamil Nadu, another option is to conduct the analysis in terms of two
‘regions’: the unchanged one, and the remaining 2 1972-73 regions.
Between 1987-88 and 1993-94, there was only one change in NSS regions (see
Table 6). The region of Goa, Daman and Diu, was partitioned into two regions, one
covering Goa and the other Daman and Diu.
Table 6
Correspondence between NSS regions
Outcome (1993-94)
One 1993-94 region
Two 1993-94 regions
=
=
Source (1987-88)
One 1987-88 region
One 1987-88 region
Number of Cases
76
1
5 Concluding remarks
The Census of India is a rich data source, providing a long time-series of
information at the district-level which can be used to analyze a number of key
economic and social issues. However, one of the drawbacks with using this data is
that there is no information on consumption or poverty at the district-level. This
lacuna can be remedied for recent Censuses by using regional estimates of per-capita
expenditure and poverty derived from the NSS. As NSS regions typically consist of
one or more districts with similar agro-climatic conditions and socio-economic
conditions, these estimates provide a reasonably good first approximation to districtlevel per-capita expenditure or poverty.
This discussion paper provides information on how to link district lists from the
two most recent Censuses with published regional poverty estimates derived from the
NSS. A detailed correspondence of Census districts and NSS regions may be found in
the Appendix. An Excel spreadsheet which lists districts, regional affiliations, and
poverty estimates based on sources and methods described in this discussion paper is
available on request from the authors.13
13
Requests should be addressed to Mamta Murthi, Centre for History and Economics, Kings College,
Cambridge CB2 1ST, e-mail: [email protected]
Bibliography
Dandekar, V. M. and Rath, N. (1971), Poverty in India, Bombay: Sameeksha Trust.
Drèze, Jean and Srinivasan, P. V. (1996), Poverty in India: Regional Estimates, 19878, Discussion Paper No. 129, Bombay: IGIDR.
Dubey, Amaresh and Gangopadhyay, Shubhashis (1998), Counting the Poor,
Sarvekshana Analytical Report Number 1, Department of Statistics, Government of
India.
Government of India (1992), Final Population Totals, Census of India 1991, Office of
the Registrar General: New Delhi.
Government of India (1988a), Fertility in India - An Analysis of 1981 Census Data,
Census of India 1981, Occasional Paper 13 of 1988, Office of the Registrar General:
New Delhi.
Government of India, (1988b), Census Atlas 1981, National Volume, Series I, Part
XII, Office of the Registrar General: New Delhi.
Government of India (1983), Estimates of Fertility and Child Mortality by Indirect
Methods, Census of India 1981, Occasional Paper 1 of 1983, Office of the Registrar
General: New Delhi.
Government of India (1981), Levels, Trends and Differentials in Fertility 1979, Vital
Statistics Division, Office of the Registrar General: New Delhi.
Government of India (1972), Civil Registration System in India - A Perspective,
Census Centenary Monograph No. 4, Census of India 1971, Office of the Registrar
General: New Delhi.
Jain, L. R., Sundaram, K., and Tendulkar, S.D. (1988), Dimensions of Rural Poverty:
An Inter-Regional Profile, Economic and Political Weekly, November (special issue).
Murthi, Mamta, Anne-Catherine Guio, and Drèze, Jean (1995), Mortality , Fertility
and Gender-Bias in India: A District Level Analysis, Population and Development
Review, 21.
Natrajan, D. (1972), Indian Censuses Through a Hundred Years, Census Centenary
Monograph No. 2, Census of India 1971, Office of the Registrar General: New Delhi.
Rama Rao, N., J. R. Rele and J. A. Palmore (1987), Regression Estimates for Fertility
for India, 1971 and 1981, Occasional Paper No.3 of 1987, Office of the Registrar
General: New Delhi.
Srivastava, S C (1972), Indian Census in Perspective, Census Centenary Monograph
No. 1, Census of India 1971, Office of the Registrar General: New Delhi.
Subramanian, S. V. (forthcoming), Assessing the Potential of Multilevel Models for
Analyzing Variations in Illiteracy in India, Ph. D. Thesis, Department of Geography,
University of Portsmouth.
Appendix
List of 1981 and 1991 Census districts with regional affiliations
State/dist 1991
Andhra Pradesh
Srikakulam
Vizianagaram
Vishakhapatnam
East Godavari
West Godavari
Krishna
Guntur
Prakasam
Nellore
Mahbubnagar
Rangareddy
Hyderabad
Medak
Nizamabad
Adilabad
Karimnagar
Warangal
Khammam
Nalgonda
Anantapur
State/dist 1981
Andhra Pradesh
Srikakulam
Vizianagaram
Vishakhapatnam
East Godavari
West Godavari
Krishna
Guntur
Prakasam
Nellore
Mahbubnagar
Rangareddy
Hyderabad
Medak
Nizamabad
Adilabad
Karimnagar
Warangal
Khammam
Nalgonda
Anantapur
Region 1972-73
Region 1987-88
AP Coastal
AP Coastal
AP Coastal
AP Coastal
AP Coastal
AP Coastal
AP Coastal
AP Coastal
AP Coastal
AP Inland Northern
AP Inland Northern
AP Inland Northern
AP Inland Northern
AP Inland Northern
AP Inland Northern
AP Inland Northern
AP Inland Northern
AP Inland Northern
AP Inland Northern
AP Inland Southern
AP Coastal
AP Coastal
AP Coastal
AP Coastal
AP Coastal
AP Coastal
AP Coastal
AP Coastal
AP Coastal
AP Inland Northern
AP Inland Northern
AP Inland Northern
AP Inland Northern
AP Inland Northern
AP Inland Northern
AP Inland Northern
AP Inland Northern
AP Inland Northern
AP Inland Northern
AP South Western
Region 1993-94
12
State/dist 1991
Kurnool
Chittoor
Cuddapah
Arunachal Pradesh
Tawang
West Kameng
East Kameng
Lower Subansiri
Upper Subansiri
West Siang
East Siang
Dibang Valley
Lohit
Changlang
Tirap
Assam
Lakhimpur
Dhemaji
Golaghat
Jorhat
Sibsagar
Dibrugarh
Tinsukia
Karimganj
Kailakandi
State/dist 1981
Kurnool
Chittoor
Cuddapah
Arunachal Pradesh
West Kameng
West Kameng
East Kameng
Lower Subansiri
Upper Subansiri
West Siang
East Siang
Dibang Valley
Lohit
Tirap
Tirap
Assam
Lakhimpur
Lakhimpur
Sibsagar
Sibsagar
Sibsagar
Dibrugarh
Dibrugarh
Cachar
Cachar
Region 1972-73
AP Inland Southern
AP Inland Southern
AP Inland Southern
Region 1987-88
AP South Western
AP Inland Southern
AP Inland Southern
Region 1993-94
Arunachal Pradesh
Arunachal Pradesh
Arunachal Pradesh
Arunachal Pradesh
Arunachal Pradesh
Arunachal Pradesh
Arunachal Pradesh
Arunachal Pradesh
Arunachal Pradesh
Arunachal Pradesh
Arunachal Pradesh
Assam Plains
Assam Plains
Assam Plains
Assam Plains
Assam Plains
Assam Plains
Assam Plains
Assam Plains
Assam Plains
Assam Plains Eastern
Assam Plains Eastern
Assam Plains Eastern
Assam Plains Eastern
Assam Plains Eastern
Assam Plains Eastern
Assam Plains Eastern
Assam Plains Eastern
Assam Plains Eastern
13
State/dist 1991
Cachar
Dhubri
Kokrajhar
Bongaigaon
Goalpara
Barpeta
Nalbari
Kamrup
Darrang
Sonitpur
Marigaon
Nagaon
Karbi Anglong
North Cachar Hills
Bihar
Patna
Nalanda
Bhojpur
Rohtas
Aurangabad
Jehanabad
Gaya
Nawada
Saran
Siwan
State/dist 1981
Cachar
Goalpara
Goalpara
Goalpara
Goalpara
Kamrup
Kamrup
Kamrup
Darrang
Darrang
Nowgong
Nowgong
Karbi Anglong
North Cachar Hills
Bihar
Patna
Nalanda
Bhojpur
Rohtas
Aurangabad
Gaya
Gaya
Nawada
Saran
Siwan
Region 1972-73
Assam Plains
Assam Plains
Assam Plains
Assam Plains
Assam Plains
Assam Plains
Assam Plains
Assam Plains
Assam Plains
Assam Plains
Assam Plains
Assam Plains
Assam Hills
Assam Hills
Region 1987-88
Assam Plains Eastern
Assam Plains Western
Assam Plains Western
Assam Plains Western
Assam Plains Western
Assam Plains Western
Assam Plains Western
Assam Plains Western
Assam Plains Western
Assam Plains Western
Assam Plains Western
Assam Plains Western
Assam Hills
Assam Hills
Bihar Central
Bihar Central
Bihar Central
Bihar Central
Bihar Central
Bihar Central
Bihar Central
Bihar Central
Bihar Northern
Bihar Northern
Bihar Central
Bihar Central
Bihar Central
Bihar Central
Bihar Central
Bihar Central
Bihar Central
Bihar Central
Bihar Northern
Bihar Northern
Region 1993-94
14
State/dist 1991
Gopalganj
Pashchim Champaran
Purbi Champaran
Sitamarhi
Muzaffarpur
Vaishali
Begusarai
Samastipur
Darbhanga
Madhubani
Saharsa
Madhepura
Purnia
Katihar
Khagaria
Munger
Bhagalpur
Godda
Sahibganj
Dumka
Deoghar
Dhanbad
Giridih
Hazaribag
Palamu
State/dist 1981
Gopalganj
Pashchim Champaran
Purbi Champaran
Sitamarhi
Muzaffarpur
Vaishali
Begusarai
Samastipur
Darbhanga
Madhubani
Saharsa
Saharsa
Purnia
Katihar
Munger
Munger
Bhagalpur
Santhalparganas
Santhalparganas
Santhalparganas
Santhalparganas
Dhanbad
Giridih
Hazaribag
Palamu
Region 1972-73
Bihar Northern
Bihar Northern
Bihar Northern
Bihar Northern
Bihar Northern
Bihar Northern
Bihar Central
Bihar Northern
Bihar Northern
Bihar Northern
Bihar Northern
Bihar Northern
Bihar Northern
Bihar Northern
Bihar Central
Bihar Central
Bihar Central
Bihar Southern
Bihar Southern
Bihar Southern
Bihar Southern
Bihar Southern
Bihar Southern
Bihar Southern
Bihar Southern
Region 1987-88
Bihar Northern
Bihar Northern
Bihar Northern
Bihar Northern
Bihar Northern
Bihar Northern
Bihar Central
Bihar Northern
Bihar Northern
Bihar Northern
Bihar Northern
Bihar Northern
Bihar Northern
Bihar Northern
Bihar Central
Bihar Central
Bihar Central
Bihar Southern
Bihar Southern
Bihar Southern
Bihar Southern
Bihar Southern
Bihar Southern
Bihar Southern
Bihar Southern
Region 1993-94
15
State/dist 1991
Lohardaga
Gumla
Ranchi
Purbi Singhbhum
Pashchimi Singh
Araria
Kishanganj
Goa
North Goa
South Goa
Gujarat
Surat
Valsad
The Dangs
Sabar Kantha
Mahesana
Gandhi Nagar
Ahmedabad
Kheda
Panch mahals
Vadodara
Bharuch
Surendranagar
Kachchh
Banas Kantha
State/dist 1981
Ranchi
Ranchi
Ranchi
Singhbhum
Singhbhum
Purnia
Purnia
Goa
Goa
Goa
Gujarat
Surat
Valsad
The Dangs
Sabar Kantha
Mahesana
Gandhi Nagar
Ahmedabad
Kheda
Panch mahals
Vadodara
Bharuch
Surendranagar
Kachchh
Banas Kantha
Region 1972-73
Bihar Southern
Bihar Southern
Bihar Southern
Bihar Southern
Bihar Southern
Bihar Northern
Bihar Northern
Gujarat Eastern
Gujarat Eastern
Gujarat Eastern
Gujarat Plains Northern
Gujarat Plains Northern
Gujarat Plains Northern
Gujarat Plains Northern
Gujarat Plains Northern
Gujarat Plains Southern
Gujarat Plains Southern
Gujarat Plains Southern
Gujarat Dry Areas
Gujarat Dry Areas
Gujarat Dry Areas
Region 1987-88
Bihar Southern
Bihar Southern
Bihar Southern
Bihar Southern
Bihar Southern
Bihar Northern
Bihar Northern
Region 1993-94
Goa, Daman and Diu
Goa, Daman and Diu
Goa
Goa
Gujarat Eastern
Gujarat Eastern
Gujarat Eastern
Gujarat Plains Northern
Gujarat Plains Northern
Gujarat Plains Northern
Gujarat Plains Northern
Gujarat Plains Northern
Gujarat Plains Southern
Gujarat Plains Southern
Gujarat Plains Southern
Gujarat Dry Areas
Gujarat Dry Areas
Gujarat Dry Areas
16
State/dist 1991
Jamnagar
Rajkot
Bhavnagar
Amreli
Junagadh
Haryana
Ambala
Yamunanagar
Kurukshetra
Kaithal
Karnal
Panipat
Sonipat
Rohtak
Faridabad
Gurgaon
Rewari
Mahendragarh
Bhiwani
Jind
Hisar
Sirsa
Himachal Pradesh
Chamba
Kangra
State/dist 1981
Jamnagar
Rajkot
Bhavnagar
Amreli
Junagadh
Haryana
Ambala
Ambala
Kurukshetra
Kurukshetra
Karnal
Karnal & Kurukshetra
Sonipat
Rohtak
Faridabad
Gurgaon
Mahendragarh
Mahendragarh
Bhiwani
Jind
Hisar
Sirsa
Himachal Pradesh
Chamba
Kangra
Region 1972-73
Gujarat Saurashtra
Gujarat Saurashtra
Gujarat Saurashtra
Gujarat Saurashtra
Gujarat Saurashtra
Region 1987-88
Gujarat Saurashtra
Gujarat Saurashtra
Gujarat Saurashtra
Gujarat Saurashtra
Gujarat Saurashtra
Haryana Eastern
Haryana Eastern
Haryana Eastern
Haryana Eastern
Haryana Eastern
Haryana Eastern
Haryana Eastern
Haryana Eastern
Haryana Eastern
Haryana Eastern
Haryana Western
Haryana Western
Haryana Western
Haryana Western
Haryana Western
Haryana Western
Haryana Eastern
Haryana Eastern
Haryana Eastern
Haryana Eastern
Haryana Eastern
Haryana Eastern
Haryana Eastern
Haryana Eastern
Haryana Eastern
Haryana Eastern
Haryana Western
Haryana Western
Haryana Western
Haryana Western
Haryana Western
Haryana Western
Himachal Pradesh
Himachal Pradesh
Himachal Pradesh
Himachal Pradesh
Region 1993-94
17
State/dist 1991
Hamirpur
Una
Bilaspur
Mandi
Kulu
Lahul & Spiti
Simla
Solan
Sirmaur
Kinnaur
Jammu & Kashmir
Kathua
Jammu
Ladakh
Doda
Udhampur
Rajauri
Punch
Anantnag
Pulwama
Srinagar
Badgam
Baramula
Kupwara
Kargil
State/dist 1981
Hamirpur
Una
Bilaspur
Mandi
Kulu
Lahul & Spiti
Simla
Solan
Sirmaur
Kinnaur
Jammu & Kashmir
Kathua
Jammu
Ladakh
Doda
Udhampur
Rajauri
Punch
Anantnag
Pulwama
Srinagar
Badgam
Baramula
Kupwara
Kargil
Region 1972-73
Himachal Pradesh
Himachal Pradesh
Himachal Pradesh
Himachal Pradesh
Himachal Pradesh
Himachal Pradesh
Himachal Pradesh
Himachal Pradesh
Himachal Pradesh
Himachal Pradesh
Region 1987-88
Himachal Pradesh
Himachal Pradesh
Himachal Pradesh
Himachal Pradesh
Himachal Pradesh
Himachal Pradesh
Himachal Pradesh
Himachal Pradesh
Himachal Pradesh
Himachal Pradesh
J & K Mountainous
J & K Mountainous
J & K Outer Hills
J & K Outer Hills
J & K Outer Hills
J & K Outer Hills
J & K Outer Hills
J & K Jhelum Valley
J & K Jhelum Valley
J & K Jhelum Valley
J & K Jhelum Valley
J & K Jhelum Valley
J & K Jhelum Valley
J & K Jhelum Valley
J & K Mountainous
J & K Mountainous
J & K Outer Hills
J & K Outer Hills
J & K Outer Hills
J & K Outer Hills
J & K Outer Hills
J & K Jhelum Valley
J & K Jhelum Valley
J & K Jhelum Valley
J & K Jhelum Valley
J & K Jhelum Valley
J & K Jhelum Valley
J & K Jhelum Valley
Region 1993-94
18
State/dist 1991
Karnataka
Dakshin Kannad
Uttar Kannad
Chikmagalur
Hassan
Kodagu
Shimoga
Bangalore
Bangalore Rural
Kolar
Mandya
Mysore
Tumkur
Belgaum
Bellary
Bidar
Bijapur
Chitradurga
Dharwad
Gulbarga
Raichur
Kerala
Kasargod
Kannur
Wayanad
State/dist 1981
Karnataka
Dakshin Kannad
Uttar Kannad
Chikmagalur
Hassan
Kodagu
Shimoga
Bangalore
Bangalore
Kolar
Mandya
Mysore
Tumkur
Belgaum
Bellary
Bidar
Bijapur
Chitradurga
Dharwad
Gulbarga
Raichur
Kerala
Cannanore
Cannanore
Wayanad
Region 1972-73
Region 1987-88
Karnataka Coastal & Ghats
Karnataka Coastal & Ghats
Karnataka Inland Eastern
Karnataka Inland Eastern
Karnataka Inland Eastern
Karnataka Inland Eastern
Karnataka Inland Southern
Karnataka Inland Southern
Karnataka Inland Southern
Karnataka Inland Southern
Karnataka Inland Southern
Karnataka Inland Southern
Karnataka Inland Northern
Karnataka Inland Northern
Karnataka Inland Northern
Karnataka Inland Northern
Karnataka Inland Northern
Karnataka Inland Northern
Karnataka Inland Northern
Karnataka Inland Northern
Karnataka Coastal & Ghats
Karnataka Coastal & Ghats
Karnataka Inland Eastern
Karnataka Inland Eastern
Karnataka Inland Eastern
Karnataka Inland Eastern
Karnataka Inland Southern
Karnataka Inland Southern
Karnataka Inland Southern
Karnataka Inland Southern
Karnataka Inland Southern
Karnataka Inland Southern
Karnataka Inland Northern
Karnataka Inland Northern
Karnataka Inland Northern
Karnataka Inland Northern
Karnataka Inland Northern
Karnataka Inland Northern
Karnataka Inland Northern
Karnataka Inland Northern
Kerala Northern
Kerala Northern
Kerala Northern
Kerala Northern
Kerala Northern
Kerala Northern
Region 1993-94
19
State/dist 1991
Kozhikode
Malappuram
Palakkad
Thrissur
Ernakulam
Idukki
Kottayam
Allepey
Pathanamthitta
Kollam
Thiruvanathapuram
Madhya Pradesh
Surguja
Bilaspur
Raigarh
Raj nandgaon
Durg
Raipur
Bastar
Balaghat
Panna
Satna
Rewa
Shahdol
Sidhi
State/dist 1981
Kozhikode
Malappuram
Palghat
Trichur
Ernakulam
Idukki
Kottayam
Alleppey
Quilon
Quilon
Trivandrum
Madhya Pradesh
Surguja
Bilaspur
Raigarh
Raj nandgaon
Durg
Raipur
Bastar
Balaghat
Panna
Satna
Rewa
Shahdol
Sidhi
Region 1972-73
Kerala Northern
Kerala Northern
Kerala Northern
Kerala Southern
Kerala Southern
Kerala Southern
Kerala Southern
Kerala Southern
Kerala Southern
Kerala Southern
Kerala Southern
Region 1987-88
Kerala Northern
Kerala Northern
Kerala Northern
Kerala Southern
Kerala Southern
Kerala Southern
Kerala Southern
Kerala Southern
Kerala Southern
Kerala Southern
Kerala Southern
MP Eastern
MP Eastern
MP Eastern
MP Eastern
MP Eastern
MP Eastern
MP Eastern
MP Eastern
MP Inland Eastern
MP Inland Eastern
MP Inland Eastern
MP Inland Eastern
MP Inland Eastern
MP Chattisgarh
MP Chattisgarh
MP Chattisgarh
MP Chattisgarh
MP Chattisgarh
MP Chattisgarh
MP Chattisgarh
MP South Central
MP Vindhya
MP Vindhya
MP Vindhya
MP Vindhya
MP Vindhya
Region 1993-94
20
State/dist 1991
Jabalpur
Mandla
Seoni
Sagar
Damoh
Vidisha
Bhopal
Sehore
Raisen
Narsimhapur
Chhindwara
Betul
Hoshangabad
Mandsaur
Ratlam
Ujjain
Shajapur
Dewas
Jhabua
Dhar
Indore
Rajgarh
West Nimar
East Nimar
Tikamgarh
State/dist 1981
Jabalpur
Mandla
Seoni
Sagar
Damoh
Vidisha
Bhopal
Sehore
Raisen
Narsimhapur
Chhindwara
Betul
Hoshangabad
Mandsaur
Ratlam
Ujjain
Shajapur
Dewas
Jhabua
Dhar
Indore
Rajgarh
West Nimar
East Nimar
Tikamgarh
Region 1972-73
MP Inland Eastern
MP Inland Eastern
MP Inland Eastern
MP Inland Western
MP Inland Western
MP Inland Western
MP Inland Western
MP Inland Western
MP Inland Western
MP Inland Western
MP Inland Western
MP Inland Western
MP Inland Western
MP Western
MP Western
MP Western
MP Western
MP Western
MP Western
MP Western
MP Western
MP Western
MP Western
MP Western
MP Northern
Region 1987-88
MP South Central
MP South Central
MP South Central
MP Central
MP Central
MP Central
MP Central
MP Central
MP Central
MP South Central
MP South Central
MP South Western
MP South Western
MP Malwa Plateau
MP Malwa Plateau
MP Malwa Plateau
MP Malwa Plateau
MP Malwa Plateau
MP Malwa Plateau
MP Malwa Plateau
MP Malwa Plateau
MP Malwa Plateau
MP South Western
MP South Western
MP Vindhya
Region 1993-94
21
State/dist 1991
Chhatarpur
Morena
Bhind
Gwalior
Datia
Shivpuri
Guna
Maharashtra
Greater Bombay
Thana
Kulaba(Raigarh)
Ratnagiri
Sindhudurg
Ahmadnagar
Pune
Satara
Sangli
Solapur
Kolhapur
Nasik
Dhule
Jalgaon
Aurangabad
Jalna
Parbhani
State/dist 1981
Chhatarpur
Morena
Bhind
Gwalior
Datia
Shivpuri
Guna
Maharashtra
Greater Bombay
Thana
Kulaba(Raigarh)
Ratnagiri
Ratnagiri
Ahmadnagar
Pune
Satara
Sangli
Solapur
Kolhapur
Nasik
Dhule
Jalgaon
Aurangabad
Aurangabad
Parbhani
Region 1972-73
MP Northern
MP Northern
MP Northern
MP Northern
MP Northern
MP Northern
MP Northern
Region 1987-88
MP Vindhya
MP Northern
MP Northern
MP Northern
MP Northern
MP Northern
MP Northern
Maharashtra Coastal
Maharashtra Coastal
Maharashtra Coastal
Maharashtra Coastal
Maharashtra Coastal
Maharashtra Inland Western
Maharashtra Inland Western
Maharashtra Inland Western
Maharashtra Inland Western
Maharashtra Inland Western
Maharashtra Inland Western
Maharashtra Inland Northern
Maharashtra Inland Northern
Maharashtra Inland Northern
Maharashtra Inland Central
Maharashtra Inland Central
Maharashtra Inland Central
Maharashtra Coastal
Maharashtra Coastal
Maharashtra Coastal
Maharashtra Coastal
Maharashtra Coastal
Maharashtra Inland Western
Maharashtra Inland Western
Maharashtra Inland Western
Maharashtra Inland Western
Maharashtra Inland Western
Maharashtra Inland Western
Maharashtra Inland Northern
Maharashtra Inland Northern
Maharashtra Inland Northern
Maharashtra Inland Central
Maharashtra Inland Central
Maharashtra Inland Central
Region 1993-94
22
State/dist 1991
Bir
Nanded
Osmanabad
Latur
Buldana
Akola
Amravati
Yavatmal
Wardha
Nagpur
Bhandara
Chandrapur
Gadchiroli
Manipur
Senapati
Tamenglong
Churachandpur
Chandel
Thoubal
Bishnupur
Imphal
Ukhrul
Meghalaya
Jaintia Hills
East Khasi Hill
State/dist 1981
Bir
Nanded
Osmanabad
Osmanabad
Buldana
Akola
Amravati
Yavatmal
Wardha
Nagpur
Bhandara
Chandrapur
Chandrapur
Manipur
Manipur North
Manipur West
Manipur South
Tengnoupal
Manipur Central
Manipur Central
Manipur Central
Manipur East
Meghalaya
Jaintia Hills
East Khasi Hills
Region 1972-73
Maharashtra Inland Central
Maharashtra Inland Central
Maharashtra Inland Central
Maharashtra Inland Central
Maharashtra Inland Eastern
Maharashtra Inland Eastern
Maharashtra Inland Eastern
Maharashtra Inland Eastern
Maharashtra Inland Eastern
Maharashtra Inland Eastern
Maharashtra Eastern
Maharashtra Eastern
Maharashtra Eastern
Region 1987-88
Maharashtra Inland Central
Maharashtra Inland Central
Maharashtra Inland Central
Maharashtra Inland Central
Maharashtra Inland Eastern
Maharashtra Inland Eastern
Maharashtra Inland Eastern
Maharashtra Inland Eastern
Maharashtra Inland Eastern
Maharashtra Inland Eastern
Maharashtra Eastern
Maharashtra Eastern
Maharashtra Eastern
Manipur
Manipur
Manipur
Manipur
Manipur
Manipur
Manipur
Manipur
Manipur
Manipur
Manipur
Manipur
Manipur
Manipur
Manipur
Manipur
Meghalaya
Meghalaya
Meghalaya
Meghalaya
Region 1993-94
23
State/dist 1991
West Khasi Hill
East Garo Hills
West Garo Hills
Mizoram
Aizawl
Lunglei
Chhimtuipui
Nagaland
Kohima
Phek
Zunheboto
Wokha
Mokokchung
Tuensang
Mon
Orissa
Baleshwar
Cuttack
Ganjam
Puri
Phulbani
Kalahandi
Koraput
Sambalpur
Sundergarh
State/dist 1981
West Khasi Hills
East Garo Hills
West Garo Hills
Mizoram
Aizawl
Lunglei
Chhimtuipui
Nagaland
Kohima
Phek
Zunheboto
Wokha
Mokokchung
Tuensang
Mon
Orissa
Baleshwar
Cuttack
Ganjam
Puri
Phulbani
Kalahandi
Koraput
Sambalpur
Sundergarh
Region 1972-73
Meghalaya
Meghalaya
Meghalaya
Region 1987-88
Meghalaya
Meghalaya
Meghalaya
Region 1993-94
Mizoram
Mizoram
Mizoram
Nagaland
Nagaland
Nagaland
Nagaland
Nagaland
Nagaland
Nagaland
Orissa Coastal
Orissa Coastal
Orissa Coastal
Orissa Coastal
Orissa Southern
Orissa Southern
Orissa Southern
Orissa Northern
Orissa Northern
Orissa Coastal
Orissa Coastal
Orissa Coastal
Orissa Coastal
Orissa Southern
Orissa Southern
Orissa Southern
Orissa Northern
Orissa Northern
24
State/dist 1991
Kendujhar
Mayurbhanj
Dhenkanal
Balanagir
Punjab
Gurdaspur
Amritsar
Ludhiana
Jalandhar
Kapurthala
Hoshiarpur
Rupnagar
Ferozpur
Patiala
Sangrur
Bhatinda
Faridkot
Rajasthan
Ganganagar
Bikaner
Churu
Jhunjhunun
Sikar
Jaisalmer
Jodhpur
State/dist 1981
Kendujhar
Mayurbhanj
Dhenkanal
Balanagir
Punjab
Gurdaspur
Amritsar
Ludhiana
Jalandhar
Kapurthala
Hoshiarpur
Rupnagar
Ferozpur
Patiala
Sangrur
Bhatinda
Faridkot
Rajasthan
Ganganagar
Bikaner
Churu
Jhunjhunun
Sikar
Jaisalmer
Jodhpur
Region 1972-73
Orissa Northern
Orissa Northern
Orissa Northern
Orissa Northern
Region 1987-88
Orissa Northern
Orissa Northern
Orissa Northern
Orissa Northern
Punjab Northern
Punjab Northern
Punjab Northern
Punjab Northern
Punjab Northern
Punjab Northern
Punjab Northern
Punjab Southern
Punjab Southern
Punjab Southern
Punjab Southern
Punjab Southern
Punjab Northern
Punjab Northern
Punjab Northern
Punjab Northern
Punjab Northern
Punjab Northern
Punjab Northern
Punjab Southern
Punjab Southern
Punjab Southern
Punjab Southern
Punjab Southern
Rajasthan Western
Rajasthan Western
Rajasthan Western
Rajasthan Western
Rajasthan Western
Rajasthan Western
Rajasthan Western
Rajasthan Western
Rajasthan Western
Rajasthan Western
Rajasthan Western
Rajasthan Western
Rajasthan Western
Rajasthan Western
Region 1993-94
25
State/dist 1991
Nagaur
Barmer
Jalor
Alwar
Bharatpur
Dholpur
Sawai Madhopur
Jaipur
Ajmer
Tonk
Pali
Bhilwara
Sirohi
Udaipur
Dungarpur
Banswara
Chittaurgarh
Bundi
Kota
Jhalawar
Sikkim
Sikkim North
Sikkim East
Sikkim South
Sikkim West
State/dist 1981
Nagaur
Barmer
Jalor
Alwar
Bharatpur
Bharatpur
Sawai Madhopur
Jaipur
Ajmer
Tonk
Pali
Bhilwara
Sirohi
Udaipur
Dungarpur
Banswara
Chittaurgarh
Bundi
Kota
Jhalawar
Sikkim
Sikkim North
Sikkim East
Sikkim South
Sikkim West
Region 1972-73
Rajasthan Western
Rajasthan Western
Rajasthan Western
Rajasthan North Eastern
Rajasthan North Eastern
Rajasthan North Eastern
Rajasthan North Eastern
Rajasthan North Eastern
Rajasthan North Eastern
Rajasthan North Eastern
Rajasthan North Eastern
Rajasthan North Eastern
Rajasthan Southern
Rajasthan Southern
Rajasthan Southern
Rajasthan Southern
Rajasthan South Eastern
Rajasthan South Eastern
Rajasthan South Eastern
Rajasthan South Eastern
Region 1987-88
Rajasthan Western
Rajasthan Western
Rajasthan Western
Rajasthan North Eastern
Rajasthan North Eastern
Rajasthan North Eastern
Rajasthan North Eastern
Rajasthan North Eastern
Rajasthan North Eastern
Rajasthan North Eastern
Rajasthan North Eastern
Rajasthan North Eastern
Rajasthan Southern
Rajasthan Southern
Rajasthan Southern
Rajasthan Southern
Rajasthan South Eastern
Rajasthan South Eastern
Rajasthan South Eastern
Rajasthan South Eastern
Region 1993-94
Sikkim
Sikkim
Sikkim
Sikkim
26
State/dist 1991
Tamil Nadu
Madras
ChengalPattu-MGR
North Arcot-Ambedkar
South Arcot
Thanjavur
Pudukkottai
Ramanathapuram
Tirunelveli-Kattabomman
Kanniyakumari
Tiruchirapalli
Madurai
Dharampuri
Salem
Periyar
Nilgiri
Coimbatore
Tiruvannamalai-Sambuvara
Dindigul-Anna
Pasumpon Muthur Thevar
Kamarajar
Chidambaranar
Tripura
West Tripura
North Tripura
State/dist 1981
Tamil Nadu
Madras
ChengalPattu
North Arcot
South Arcot
Thanjavur
Pudukkottai
Ramanathapuram
Tirunelveli
Kanniyakumari
Tiruchirapalli
Madurai
Dharampuri
Salem
Periyar
Nilgiri
Coimbatore
North Arcot
Madurai
Ramanathapuram
Ramanathapuram
Tirunelveli
Tripura
West Tripura
North Tripura
Region 1972-73
Region 1987-88
TN Coastal Northern
TN Coastal Northern
TN Coastal Northern
TN Coastal Northern
TN Coastal Southern
TN Coastal Southern
TN Coastal Southern
TN Coastal Southern
TN Coastal Southern
TN Inland
TN Inland
TN Inland
TN Inland
TN Inland
TN Inland
TN Inland
TN Coastal Northern
TN Inland
TN Coastal Southern
TN Coastal Southern
TN Coastal Southern
TN Coastal Northern
TN Coastal Northern
TN Coastal Northern
TN Coastal Northern
TN Coastal
TN Coastal
TN Southern
TN Southern
TN Southern
TN Coastal
TN Southern
TN Inland
TN Inland
TN Inland
TN Inland
TN Inland
TN Coastal Northern
Tn Southern
TN Southern
TN Southern
TN Southern
Tripura
Tripura
Tripura
Tripura
Region 1993-94
27
State/dist 1991
South Tripura
Uttar Pradesh
Uttarkashi
Chamoli
Tehri Garhwal
Dehradun
Garhwal
Pithoragarh
Almora
Nainital
Bijnor
Moradabad
Rampur
Saharanpur
Hardwar
Muzaffarnagar
Meerut
Ghaziabad
Bulandshahr
Aligarh
Mathura
Agra
Firozabad
Etah
Mainpuri
State/dist 1981
South Tripura
Uttar Pradesh
Uttarkashi
Chamoli
Tehri Garhwal
Dehradun
Garhwal
Pithoragarh
Almora
Nainital
Bijnor
Moradabad
Rampur
Saharanpur
Saharanpur
Muzaffarnagar
Meerut
Ghaziabad
Bulandshahr
Aligarh
Mathura
Agra
Mainpuri
Etah
Mainpuri
Region 1972-73
Tripura
Region 1987-88
Tripura
UP Himalayan
UP Himalayan
UP Himalayan
UP Himalayan
UP Himalayan
UP Himalayan
UP Himalayan
UP Himalayan
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Himalayan
UP Himalayan
UP Himalayan
UP Himalayan
UP Himalayan
UP Himalayan
UP Himalayan
UP Himalayan
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
Region 1993-94
28
State/dist 1991
Budaun
Bareilly
Pilibhit
Shahjahanpur
Farrukhabad
Etawah
Kheri
Sitapur
Hardoi
Unnao
Lucknow
Rae Bareli
Kanpur Dehat
Kanpur Nagar
Fatehpur
Barabanki
Pratapgarh
Allahabad
Bahraich
Gonda
Faizabad
Sultanpur
Siddharthnagar
Mahrajganj
Basti
State/dist 1981
Budaun
Bareilly
Pilibhit
Shahjahanpur
Farrukhabad
Etawah
Kheri
Sitapur
Hardoi
Unnao
Lucknow
Rae Bareli
Kanpur
Kanpur
Fatehpur
Barabanki
Pratapgarh
Allahabad
Bahraich
Gonda
Faizabad
Sultanpur
Basti
Gorakhpur
Basti
Region 1972-73
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Central
UP Central
UP Central
UP Central
UP Central
UP Central
UP Central
UP Central
UP Central
UP Central
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
Region 1987-88
UP Western
UP Western
UP Western
UP Western
UP Western
UP Western
UP Central
UP Central
UP Central
UP Central
UP Central
UP Central
UP Central
UP Central
UP Central
UP Central
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
Region 1993-94
29
State/dist 1991
Gorakhpur
Deoria
Mau
Azamgarh
Jaunpur
Ballia
Ghazipur
Varanasi
Mirzapur
Sonbhadra
Jalaun
Jhansi
Lalitpur
Hamirpur
Banda
West Bengal
Koch Bihar
Jalpaiguri
Darjiling
West Dinajpur
Maldah
Murshidabad
Nadia
Birbhum
North Twenty four Parganas
State/dist 1981
Gorakhpur
Deoria
Azamgarh
Azamgarh
Jaunpur
Ballia
Ghazipur
Varanasi
Mirzapur
Mirzapur
Jalaun
Jhansi
Lalitpur
Hamirpur
Banda
West Bengal
Koch Bihar
Jalpaiguri
Darjiling
West Dinajpur
Maldah
Murshidabad
Nadia
Birbhum
Twenty four Parganas
Region 1972-73
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Southern
UP Southern
UP Southern
UP Southern
UP Southern
Region 1987-88
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Eastern
UP Southern
UP Southern
UP Southern
UP Southern
UP Southern
WB Himalayan
WB Himalayan
WB Himalayan
WB Eastern Plains
WB Eastern Plains
WB Eastern Plains
WB Eastern Plains
WB Eastern Plains
WB Central Plains
WB Himalayan
WB Himalayan
WB Himalayan
WB Eastern Plains
WB Eastern Plains
WB Eastern Plains
WB Eastern Plains
WB Eastern Plains
WB Central Plains
Region 1993-94
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State/dist 1991
South Twenty four Parganas
Calcutta
Howrah
Hooghly
Barddhaman
Medinipur
Bankura
Puruliya
Andaman & Nicobar
Andamans
Nicobars
Chandigarh
Dadra & Nagar H
Daman & Diu
Daman
Diu
Delhi U.T.
Lakshadweep
Pondicherry
Pondicherry
Karaikal
Mahe
Yanam
State/dist 1981
Twenty four Parganas
Calcutta
Howrah
Hooghly
Barddhaman
Medinipur
Bankura
Puruliya
Andaman & Nicobar
Andamans
Nicobars
Chandigarh
Dadra & Nagar Haveli
Daman & Diu
Daman
Diu
Delhi
Lakshadweep
Pondicherry
Pondicherry
Karaikal
Mahe
Yanam
Region 1972-73
WB Central Plains
WB Central Plains
WB Central Plains
WB Central Plains
WB Central Plains
WB Western Plains
WB Western Plains
WB Western Plains
Region 1987-88
WB Central Plains
WB Central Plains
WB Central Plains
WB Central Plains
WB Central Plains
WB Western Plains
WB Western Plains
WB Western Plains
Region 1993-94
Andaman & Nicobar
Andaman & Nicobar
Chandigarh
Dadra & Nagar Haveli
Goa, Daman and Diu
Goa, Daman and Diu
Delhi
Lakshadweep
Daman and Diu
Daman and Diu
Pondicherry
Pondicherry
Pondicherry
Pondicherry
Note: Unless stated otherwise, ‘Region 1987-88’ is the same as ‘Region 1993-94’.
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