Irrigation in India

📊 High-Yield Data & Statistical Fact Sheet

Cue Words	Notes
Net Irrigated Area (NIA)	~48.8% of Net Sown Area is irrigated (51.2% rainfed).
Water Use Efficiency (WUE)	Stands at ~38% in India (vs 50-60% global benchmark).
Groundwater Consumption	India is the largest consumer of groundwater globally. **Dynamic Groundwater Resource Assessment 2025 (CGWB)**: Annual recharge at **448.52 BCM**, extraction at **247.22 BCM** — stage of extraction **60.63%** nationally. Of **6,762 assessed units**, **730 (10.8%) are 'Over-exploited'** — down from 17.2% in 2017, concentrated in NW (Punjab, Haryana, western UP), West (Rajasthan, Gujarat), and South (Karnataka, TN, Telangana, AP).
Wells & Tubewells Share	Account for ~62% of NIA (UP leads tubewells, MP leads dug wells).
Canal Irrigation Share	Accounts for ~24% of NIA (UP leads total canal length).
Tank Irrigation Share	Accounts for ~2.5% of NIA (Tamil Nadu leads tank irrigation).
Minor Irrigation Scale	Culturable Command Area (CCA) < 2,000 Hectares (80% groundwater).
Medium Irrigation Scale	Culturable Command Area (CCA) between $2,000 and $10,000 Hectares.
Major Irrigation Scale	Culturable Command Area (CCA) > 10,000 Hectares (surface reservoirs/canals).

1. STRUTTING SOURCES & SYSTEM DYNAMICS

Cue Words	Notes
Sir M. Visvesvaraya Contributions	Automatic sluice gates, Krishna Raja Sagar Dam, collector well technology.
Firuz Shah Tughlaq Canals	Pioneered early canal building in the Indo-Gangetic doab.

2. IRRIGATION METHODS & MICRO-IRRIGATION

Cue Words	Notes
Drip Irrigation Tech	Drop-by-drop direct root zone delivery (efficiency: >90%).
Sprinkler Irrigation Tech	Pressurized spray simulating natural rainfall (ideal for uneven terrain).
Fertigation Technique	Injecting water-soluble fertilizers directly into micro-irrigation systems.
PMKSY AIBP Component	Accelerated Irrigation Benefits Programme for major/medium projects.
PMKSY Har Khet Ko Pani	Expands physical access to water on farms.
PMKSY Per Drop More Crop	Focuses on micro-irrigation systems (drip/sprinkler). **Coverage update**: **96.83 Lakh hectares** brought under micro-irrigation (PDMC, 2015-16 to Aug 2025). **Scheme continuity**: PMKSY continued for 2021-26 (outlay **₹93,068.56 Cr**); Union Budget 2026-27 allocated **₹6,587 Cr**, plus a new **Command Area Development & Water Management** sub-scheme (₹1,600 Cr, approved 2025). **Cumulative impact** (as of Aug 2025): **27 million+ farmers** benefited across irrigation, micro-irrigation, watershed, and groundwater interventions, covering **24.61 million hectares**.
Furrow, Border Strip & Basin Irrigation Methods	**Furrow Irrigation**: Water flows along parallel channels/trenches dug between crop ridges (common for sugarcane, cotton, potatoes). **Border Strip Method**: Land divided into long narrow strips separated by low earth levees/borders, water flows uniformly down slope. **Basin Method**: Flat land divided into enclosed circular/rectangular basins filled with water around orchard trees and plantation crops.
Atal Bhujal Yojana (Atal Jal)	**₹6,000 Crore** World Bank-assisted scheme (50:50 ratio) focusing on community-led groundwater management and behavioral change in 7 water-stressed States (Gujarat, Haryana, Karnataka, MP, Maharashtra, Rajasthan, UP).
National Hydrology Project (NHP) & Neeranchal	**National Hydrology Project (NHP)**: Central sector scheme (World Bank assisted) creating real-time hydromet data systems, river basin planning, and flood forecasting databases across India. **Neeranchal National Watershed Project**: World Bank technical assistance program strengthening PMKSY Watershed Development. **Desertification & Land Degradation Atlas**: Published by Space Applications Centre (SAC, ISRO) mapping land degradation across Indian states.

3. GROUNDWATER GOVERNANCE

Cue Words	Notes
Central Ground Water Board (CGWB)	Multi-disciplinary scientific body (under Jal Shakti Ministry) responsible for groundwater resource assessment, exploration, and monitoring across India.
Central Ground Water Authority (CGWA)	Regulatory authority empowered to control and regulate groundwater extraction/development, issue NOCs for industrial/infra groundwater use, and notify over-exploited areas.
Rainwater Harvesting Mandate	Several states/urban local bodies mandate rooftop rainwater harvesting structures in new buildings to recharge depleting aquifers.

4. FUNDAMENTALS CHECK — SURFACE vs GROUNDWATER & COMMAND AREA DEVELOPMENT

Cue Words	Notes
Surface Water vs Groundwater Irrigation	**Surface Water Irrigation**: Water drawn from rivers, canals, tanks, and reservoirs — includes Major/Medium canal-fed projects; accounts for roughly a **third** of India's Net Irrigated Area (canals ~24% + tanks ~2.5% + other surface sources). **Groundwater Irrigation**: Water drawn via tubewells/dugwells — the **dominant source**, accounting for roughly **two-thirds (~62%)** of Net Irrigated Area; concentrated in Indo-Gangetic Plains and areas with deep water tables, raising over-exploitation concerns (see CGWB assessment above).
Command Area Development Programme (CADP), 1974-75	Launched to bridge the gap between irrigation potential created and irrigation potential utilised under major/medium projects by developing on-farm infrastructure (field channels, land levelling, warabandi/water-turn scheduling) beyond the outlet. Implemented via Command Area Development Authorities (CADAs) at project level; later subsumed into the AIBP and, since 2021-22, integrated as a component within PMKSY (renamed Command Area Development & Water Management).

5. NABARD IRRIGATION FUNDS

Cue Words

Notes

Long Term Irrigation Fund & Micro Irrigation Fund (NABARD)

**NABARD** (statutory body, established July 1982, HQ Mumbai, 100% GoI-owned) maintains dedicated irrigation funds among its corpus of funds. **Long Term Irrigation Fund (LTIF)** — one of NABARD's designated funds, used to finance long-gestation irrigation projects. **Micro Irrigation Fund (MIF)** — NABARD fund supporting expansion of micro-irrigation (drip/sprinkler) coverage. Other NABARD funds listed alongside these: Rural Innovation Fund, Rural Infrastructure Development Fund (RIDF), Climate Change Fund, Green Climate Fund, Dairy Processing & Infrastructure Fund. **RIDF** provides loans to State Governments and State-owned corporations to complete rural infrastructure projects, and NABARD also lends to State Governments for developing rural infrastructure and the cooperative credit structure.