River Interlinking in India: A Critical Perspective

The Union Home Minister's proposal for river interlinking in the Southern Zonal Council meeting underscores the need for effective water management to resolve water disputes in southern India. This initiative is crucial for UPSC aspirants, particularly in GS Paper 2 and 3, as it addresses governance and environmental issues. Last Updated: 26-09-2026

Key Facts About River Interlinking in India

• Definition: The Interlinking of Rivers (ILR) programme aims to transfer water from surplus river basins to water-deficient regions using reservoirs, canals, and diversion structures.
• Objective: Improve water security, expand irrigation, reduce flood and drought risks, generate hydropower, and support balanced regional development.
• Historical Background: The concept dates back to the 19th century, gaining momentum post-independence due to uneven rainfall and recurring floods and droughts.
• National Perspective Plan (NPP): Formulated in 1980 by the Ministry of Water Resources, identifying 30 major links (14 Himalayan and 16 Peninsular).
• Executing Agency: The National Water Development Agency (NWDA), established in 1982, studies the feasibility of river-linking projects.
• Examples: Successful projects include the Mullaperiyar Dam, Parambikulam-Aliyar Project, Krishna Water Supply Project, and Indira Gandhi Canal Project.

India's Water Management Challenges

River interlinking holds macro-level significance as it aligns with India's strategic goals of ensuring water security and supporting agricultural productivity. However, it faces challenges such as ecological concerns, inter-state disputes, and governance issues. India's growth in water management is crucial for sustainable development, with international comparisons highlighting the need for integrated approaches.

UPSC Relevance

• GS Paper 2: Governance, federalism, and inter-state relations.
• GS Paper 3: Environment, conservation, and water management.
• Prelims: Questions on key facts, historical background, and successful projects.
• Mains: Analytical themes on water management, ecological sustainability, and federal challenges.
• Essay Paper: Topics on sustainable development and water resource management.

FAQ Section

• What is river interlinking? River interlinking is a large-scale water management initiative aimed at transferring water from surplus river basins to water-deficient regions through a network of reservoirs, canals, and diversion structures.
• Why is river interlinking important? It is important for enhancing water security, improving agricultural productivity, mitigating flood and drought risks, and supporting economic development through balanced regional growth.
• What are the key features of river interlinking? Key features include the transfer of water through a network of canals and reservoirs, involvement of multiple states, and the potential for significant ecological and social impacts.