Regional Disparities in India — The Core Problem

India exhibits some of the widest inter-state economic disparities of any large federal democracy. Understanding these disparities is central to GS-3 questions on inclusive growth and regional development.

Per Capita Income Variation Across States

Category States Per Capita NSDP Range
Highest Goa, Sikkim, Delhi, Haryana, Karnataka Rs 3–5 lakh and above
Middle Gujarat, Tamil Nadu, Maharashtra, Telangana, Himachal Pradesh, Uttarakhand Rs 2–3.5 lakh
Lowest Bihar, Jharkhand, Uttar Pradesh, Madhya Pradesh, Assam Rs 0.7–1.5 lakh

Key observations:

  • Delhi tops per capita NSDP at approximately Rs 4.93 lakh, while Bihar records the lowest at approximately Rs 69,321 — a ratio of roughly 7:1.
  • Smaller, specialised states and UTs (Sikkim, Goa, Chandigarh) lead per capita rankings due to small populations combined with niche economic advantages (tourism, hydropower, services).
  • Large, populous states (UP, Bihar, MP) have high absolute GSDP but low per capita income — reflecting the burden of large populations on limited economic output.

Dimensions of Regional Disparity

Dimension Indicator Disparity Pattern
Income Per capita GSDP 7:1 ratio between richest and poorest states
Poverty Multidimensional Poverty Index Bihar, Jharkhand, UP have highest headcount ratios; Kerala, Goa, Tamil Nadu lowest
Health Infant mortality rate, maternal mortality High in MP, UP, Assam, Odisha; low in Kerala, TN, Delhi
Education Literacy, years of schooling Bihar (61.8% literacy) vs Kerala (96.2%)
Infrastructure Road density, power availability, internet penetration North-East, eastern UP, central India lag behind
Urbanisation Share of urban population Goa, Delhi, Tamil Nadu highly urbanised; Bihar, Assam, HP largely rural

Causes of Regional Disparity

Factor Explanation
Geography Hilly/remote terrain (North-East, J&K, Himachal) increases cost of infrastructure; flood-prone areas (Bihar, Assam) face recurring setbacks
Historical neglect Colonial-era infrastructure concentrated in port cities (Mumbai, Kolkata, Chennai); interior districts remained neglected
Resource endowment Mineral-rich states (Jharkhand, Odisha, Chhattisgarh) have not always translated resource wealth into human development
Governance quality States with better institutions, lower corruption, and consistent policy attract more investment
Demographic pressure High population growth in Bihar, UP, MP dilutes per capita gains from economic growth
Private investment patterns Industry clusters in Gujarat, Maharashtra, TN, Karnataka — creating self-reinforcing agglomeration effects

Policy Approaches to Reducing Regional Disparities

Approach Mechanism Examples
Fiscal transfers Finance Commission recommendations — tax devolution and grants to lagging states 15th FC: 41% vertical devolution; income distance (45% weight) favours poorer states
Centrally Sponsored Schemes (CSS) Higher central share for poorer/special category states 90:10 Centre-state ratio for NE and hill states vs 60:40 for others
Area development programmes Targeted schemes for backward/aspirational regions ADP, Aspirational Blocks Programme, BRGF (discontinued)
Special category status Enhanced central assistance to states with structural disadvantages 11 NE and hill states
Industrial incentives Tax holidays, capital subsidies for industries in backward regions North-East Industrial Development Scheme (NEIDS)
Infrastructure push Targeted road, rail, digital connectivity for lagging regions PM GatiShakti, BharatNet, Sagarmala

Finance Commission and Regional Equity

The Finance Commission is the constitutional body (Article 280) that recommends distribution of tax revenues between the Centre and states, and among states.

15th Finance Commission (2021-22 to 2025-26)

Parameter Detail
Chairman N.K. Singh
Vertical devolution 41% of divisible pool of central taxes to states (Rs 42.2 lakh crore for 2021-26 period)
Horizontal devolution formula Income Distance: 45%; Population (2011): 15%; Area: 15%; Demographic Performance: 12.5%; Forest & Ecology: 10%; Tax & Fiscal Efforts: 2.5%
Income distance Largest weightage (45%) — measured as distance of a state's per capita income from the state with the highest per capita income; favours poorer states significantly
Demographic performance New criterion (12.5%) — rewards states that have controlled population growth (benefits southern and smaller states)
Grants to local governments Rs 4.4 lakh crore for 2021-26 period
Performance-based grants Rs 45,000 crore for agricultural reforms; Rs 4,800 crore for educational outcomes

16th Finance Commission

Feature Detail
Chairman Arvind Panagariya
Period covered 2026-27 to 2030-31
Key issues Vertical devolution ratio; updated horizontal formula; Census 2011 vs Census 2021 population data; role of demographic performance criterion

How the Finance Commission Reduces Disparities

  • Income distance criterion ensures that states with lower per capita income receive a larger share of taxes.
  • Grants (revenue deficit grants, sector-specific grants, disaster management grants) provide additional support.
  • Equalisation principle — the Commission aims to enable all states to provide comparable levels of public services at comparable tax effort.

Special Category States

Feature Detail
Origin Concept introduced by the 5th Finance Commission (1969) based on recommendations of the National Development Council
Criteria (i) Hilly and difficult terrain; (ii) Low population density or large tribal population; (iii) Strategic border location; (iv) Economic and infrastructural backwardness; (v) Non-viable nature of state finances
Current states 11 states — all 8 North-Eastern states (Assam, Arunachal Pradesh, Manipur, Meghalaya, Mizoram, Nagaland, Sikkim, Tripura) + Himachal Pradesh, Uttarakhand, and Jammu & Kashmir

Benefits of Special Category Status

Benefit Detail
CSS funding ratio 90:10 (Centre : State) vs 60:40 for general category states
Tax concessions Historically received excise duty and income tax exemptions for industries
Plan assistance 30% of gross budgetary support was earmarked for special category states (prior to abolition of Planning Commission)
Debt and grant ratio Received 90% of central assistance as grants and only 10% as loans (vs 30:70 for general states)

Post-14th Finance Commission Changes

The 14th Finance Commission (Chairman: Y.V. Reddy) significantly increased the vertical devolution from 32% to 42%. It recommended that the distinction between Plan and non-Plan expenditure, and between general and special category states, be done away with. The rationale: higher tax devolution and formula-based grants (using backwardness criteria) would automatically channel more resources to poorer states. As a result, the traditional model of special category plan assistance became largely obsolete, though the special status label and CSS funding ratios continue.


Aspirational Districts Programme (ADP)

Feature Detail
Launched January 2018 by the Prime Minister
Districts covered 112 most under-developed districts across 28 states
Anchored by NITI Aayog
Guiding principles 3 Cs — Convergence (of central and state schemes), Collaboration (between central, state officials, and district collectors), Competition (among districts through delta ranking)

Five Thematic Areas and Key Performance Indicators (KPIs)

Theme Example Indicators Weight
Health & Nutrition Institutional deliveries, immunisation, treatment success rate (TB), stunting High
Education Learning outcomes, transition rates, teacher availability, infrastructure High
Agriculture & Water Resources Micro-irrigation coverage, soil health cards distributed, water body rejuvenation Medium
Financial Inclusion & Skill Development PM Mudra accounts, insurance penetration, PMKVY enrolments Medium
Basic Infrastructure Road connectivity, electrification, individual household latrines, internet access Medium

Delta Ranking System

Feature Detail
Concept Districts ranked not on absolute performance but on incremental improvement (delta) over time — rewards effort, not legacy advantage
Frequency Monthly rankings (2018-2024); shifted to quarterly rankings from April 2025 under ADP Phase III
Dashboard Champions of Change Dashboard — real-time tracking across 49 KPIs
Data source Self-reported district data verified through third-party validation
Award cycle Quarterly awards under ADP Phase III (FY 2024-25 and 2025-26)

Selection Methodology for the 112 Districts

Districts were identified by a committee of secretaries using a composite index based on:

  • Deprivation across health, education, and infrastructure parameters
  • Low per capita income
  • Presence in Left Wing Extremism (LWE) affected areas
  • High proportion of SC/ST population
  • Proximity to international border

Impact and Outcomes

The ADP model is considered a success in competitive federalism — districts that were at the bottom of development indices have shown measurable improvement in health, education, and infrastructure indicators. The programme has been studied by the UNDP and World Bank as a model for sub-national targeted development.


Aspirational Blocks Programme (ABP)

Feature Detail
Launched 7 January 2023 by the Government of India
Blocks covered 500 blocks across 329 districts in 27 states and 4 UTs
Overlap with ADP 160 of the 500 blocks are in the 112 Aspirational Districts
Anchored by NITI Aayog in coordination with central ministries, state and UT governments, and district administration
KPIs 39 indicators across 5 themes — Health & Nutrition, Education, Agriculture & Allied Services, Basic Infrastructure, and Social Development
Ranking Block-level delta ranking; quarterly ranking with awards
Rationale District is too large a unit for targeted intervention — intra-district disparities can be addressed by focusing on the most lagging blocks

Backward Region Grant Fund (BRGF)

Feature Detail
Launched 19 February 2007 by Prime Minister Manmohan Singh at Barpeta, Assam
Ministry Ministry of Panchayati Raj
Coverage 250 districts in 27 states (232 under Parts IX/IX-A of the Constitution; 18 under Sixth Schedule or state-specific arrangements)
Objective Fill critical gaps in development not adequately met by sector-specific programmes; strengthen local governance capacity
Components (i) Development Grant and (ii) Capacity Building Component
Current status Discontinued from 2015-16 — delinked from central budgetary support following implementation of 14th Finance Commission recommendations (higher tax devolution was seen as an adequate substitute)

North-East Development — Special Packages and Schemes

The North-Eastern Region (NER) — 8 states — receives special attention due to geographical isolation, difficult terrain, ethnic diversity, and strategic border location.

Key Institutional Framework

Institution Role
Ministry of Development of North Eastern Region (MDoNER) Nodal ministry for NE development; coordinates with central ministries
North Eastern Council (NEC) Statutory body (NEC Act, 1971; amended 2002) — regional planning body for NE states
10% GBS earmarking All central ministries (except defence and some exempted ones) must earmark 10% of their Gross Budgetary Support for the NER

Major Schemes (2022-23 to 2025-26)

Scheme Outlay Focus
North East Special Infrastructure Development Scheme (NESIDS) Rs 8,139.5 crore Road infrastructure and other-than-road infrastructure (social, educational, health)
Schemes of NEC Rs 3,202.7 crore Overall development in identified sectors across NE states
PM-DevINE (Prime Minister's Development Initiative for North East Region) Rs 6,600 crore (2022-23 to 2025-26) 100% central funding; infrastructure (roads, ropeways), livelihood for youth and women, social development; implemented by MDoNER through NEC or central agencies
Special Packages for Autonomous Councils (Assam) Rs 1,540 crore For BTC (Rs 500 crore), KAATC (Rs 750 crore), and legacy packages (Rs 290 crore)

Tribal Sub-Plan (TSP) / Scheduled Tribes Component

Feature Detail
Concept Proportion of plan funds earmarked for tribal welfare in proportion to the ST population of each state
Renamed Now called "Scheduled Tribes Component" (STC) of the budget
Coverage States with significant tribal populations — Jharkhand, Chhattisgarh, Odisha, MP, Rajasthan, Maharashtra, Gujarat, and NE states
Key areas Education (Eklavya Model Residential Schools), health, livelihood, skill development, forest rights implementation
Ministry Ministry of Tribal Affairs — coordinates the tribal sub-plan across all ministries

Fifth and Sixth Schedule Areas

Feature Fifth Schedule Sixth Schedule
Coverage Scheduled areas in 10 states with significant tribal populations Tribal areas in 4 NE states — Assam, Meghalaya, Tripura, Mizoram
Governance Governor can modify/exclude application of central and state laws; Tribes Advisory Council in each state Autonomous District Councils and Regional Councils with legislative, judicial, and executive powers
Key legislation PESA Act, 1996 (Panchayats Extension to Scheduled Areas) Sixth Schedule of the Constitution
Relevance Protects tribal land rights, forest rights, customary law Greater self-governance for tribal communities

Border Area Development Programme (BADP)

Feature Detail
Launched 1986-87 (initially for western border states; expanded to all border states)
Ministry Ministry of Home Affairs
Objective Bridge the development deficit in remote and inaccessible border areas; meet special needs of border populations; promote a sense of security
Coverage 396 border blocks in 111 border districts across 16 states and 2 UTs
Focus areas Infrastructure (roads, bridges, helipads), social infrastructure (schools, health centres), livelihood, skill development
Special focus Zero-line villages (villages closest to the international border)

NITI Aayog Composite Indices for Competitive Federalism

NITI Aayog publishes several indices to promote data-driven governance and healthy competition among states and districts.

Index Purpose Key Feature
SDG India Index Measures state and UT progress on Sustainable Development Goals First government-led subnational SDG measure in the world; launched December 2018
National Multidimensional Poverty Index (MPI) Measures poverty across health, education, and standard of living (12 indicators) India's MPI declined from 29.17% (2013-14) to 11.28% (2022-23) — 24.82 crore people escaped multidimensional poverty
Composite Water Management Index Assesses state-level water management performance Highlights water stress variation across states
Health Index Measures health outcomes, governance, and key inputs Produced in collaboration with World Bank
School Education Quality Index (SEQI) Evaluates learning outcomes and access Ranks states on education quality, not just enrolment
Export Preparedness Index Measures states' readiness for export promotion Helps identify infrastructure and policy gaps
Innovation Index Ranks states on innovation ecosystem Based on inputs (human capital, institutions) and outputs (knowledge, business sophistication)

National MPI — Key Data

Indicator 2013-14 2022-23 Change
Headcount ratio (H) 29.17% 11.28% -17.89 percentage points
People lifted out of poverty 24.82 crore Over 9 years
Best-performing states Kerala, Goa, Tamil Nadu, Sikkim Lowest MPI values
Worst-performing states Bihar, Jharkhand, Meghalaya, UP Highest MPI values (though declining)

India is likely to achieve SDG Target 1.2 (halving multidimensional poverty) well before 2030.


Exam-Relevant Comparison: ADP vs ABP

Parameter Aspirational Districts Programme (ADP) Aspirational Blocks Programme (ABP)
Launched January 2018 January 2023
Unit District (112 districts) Block (500 blocks in 329 districts)
Themes 5 (49 KPIs) 5 (39 KPIs)
Ranking Delta ranking — quarterly (from April 2025) Delta ranking — quarterly
Rationale Target most under-developed districts Address intra-district disparities at block level
Overlap 160 blocks are within ADP districts
Dashboard Champions of Change Champions of Change (ABP section)

Key Terms for UPSC

Term Meaning
Vertical devolution Share of central tax revenues transferred to states as a whole (currently 41%)
Horizontal devolution Distribution formula for dividing the states' share among individual states
Income distance Gap between a state's per capita income and the richest state — larger gap means greater share of devolution
Delta ranking Ranking based on incremental improvement, not absolute performance
Competitive federalism NITI Aayog's approach of fostering healthy competition among states/districts through data transparency and rankings
Convergence Bringing together multiple central and state schemes to achieve synergy at the district/block level
Special Category Status Classification for states with structural disadvantages — entitles them to higher central funding shares
PESA Panchayats (Extension to Scheduled Areas) Act, 1996 — extends Part IX of the Constitution to Fifth Schedule areas with modifications to protect tribal rights
GBS earmarking Mandatory allocation of 10% of Gross Budgetary Support of central ministries for the North-Eastern Region
Multidimensional Poverty Index (MPI) Measures poverty across health, education, and standard of living — goes beyond income poverty to capture deprivation across multiple dimensions