कोसी-मेची अंतरराज्यीय लिंक परियोजना: UPSC के लिए महत्वपूर्ण जानकारी

27 Jul कोसी-मेची अंतरराज्यीय लिंक परियोजना: UPSC के लिए महत्वपूर्ण जानकारी

Map & concept mind-map: Kosi-Mechi Inter-State Link Project

Subject Relevance — Where This Topic Fits

• GS Paper II — International Relations (India-Nepal bilateral water cooperation, transboundary river management)  |  GS Paper III — Agriculture (irrigation infrastructure, PMKSY-AIBP), Environment and Disaster Management (flood control, glacial lake outburst floods)  |  GS Paper IV — Ethics in Governance (inter-state and international coordination, sustainable development)
• Prelims: Koshi-Mechi Link Project, PMKSY-AIBP, JPO-SKSKI, Saptakoshi Multipurpose Project, Sun-Koshi-Kamala Diversion Project, GLOF studies, Bihar Flood Management Programme
• Essay: Water diplomacy: India-Nepal cooperation in transboundary river basins, Sustainable infrastructure development: Balancing irrigation, flood control, and ecological conservation

Quick Revision: The Koshi-Mechi Link Project is a ₹6,143.22 crore inter-state irrigation and flood control initiative under PMKSY-AIBP, aimed at mitigating floods in Bihar, with completion targeted for March 2029.

Why is this in the news?

The Koshi-Mechi Inter-State Link Project has been included under the Pradhan Mantri Krishi Sinchayee Yojana-Accelerated Irrigation Benefits Programme (PMKSY-AIBP) with a central assistance of ₹3,652.56 crore, marking a significant step toward enhancing irrigation and flood resilience in Bihar and eastern Nepal. The project, with a total estimated cost of ₹6,143.22 crore, is slated for completion by March 2029. This initiative underscores India’s commitment to cooperative water resource management with Nepal, while addressing critical agricultural and disaster mitigation needs in the region.

Background

• The Koshi-Mechi Link Project is part of India’s broader strategy to develop inter-state and international river linkages for irrigation, flood control, and hydroelectric power generation.
• The Koshi River, originating in Nepal, is a major tributary of the Ganges and has been a focal point of India-Nepal water cooperation since the 1950s, including the 1954 Koshi Agreement.
• The project aligns with the objectives of the PMKSY-AIBP, which aims to enhance irrigation coverage and efficiency through major and medium irrigation projects.
• The project also addresses the recurring floods in Bihar, which have historically caused significant loss of life and property, necessitating robust flood management infrastructure.
• The Joint Project Office (JPO-SKSKI), established in 2003, has been instrumental in preparing Detailed Project Reports (DPRs) for multipurpose projects like the Saptakoshi and Sun-Koshi-Kamala Diversion schemes.
• The project is situated within the broader context of India’s Act East Policy and its emphasis on sub-regional cooperation, particularly with Nepal and Bangladesh.

What is the Koshi-Mechi Inter-State Link Project?

• The Koshi-Mechi Link Project is an inter-state irrigation and flood control initiative.
• The project includes the reconstruction of the Eastern Koshi Main Canal, with an awarded contract worth ₹2,639.80 crore covering a 41.30 km stretch, and is currently at 8.5% physical progress.
• The project is being implemented under the PMKSY-AIBP, with central assistance of ₹3,652.56 crore, and is expected to be completed by March 2029.
• The project also incorporates flood control measures to mitigate the impact of recurrent floods in Bihar.
• The project involves extensive studies such as topographic surveys, hydrological studies, seismic assessments, and glacial lake outburst flood (GLOF) analyses to ensure technical feasibility and environmental sustainability.
• The project is part of a broader framework of India-Nepal cooperation on transboundary rivers, including the Saptakoshi Multipurpose Project and the Sun-Koshi-Kamala Diversion Project, which aim to harness water resources for irrigation, hydropower, and flood control.
• The project is expected to generate significant employment opportunities during construction and operation, contributing to local economic development in the region.

Key Features

Why it Matters

Economic

• Augments irrigation potential in drought-prone regions of Bihar and West Bengal, boosting agricultural productivity.
• Reduces dependency on monsoon rainfall, stabilising farm incomes and rural economies.
• Central funding under PMKSY-AIBP ensures fiscal efficiency and prioritises water-scarce areas.

Strategic

• Strengthens inter-state water cooperation, reducing conflicts over transboundary river resources.
• Enhances flood resilience in the Koshi-Gandak basin, a high-risk flood-prone zone.
• Supports India’s Act East Policy by improving regional connectivity and water security in the eastern Himalayan foothills.

Environmental

• Promotes sustainable water management through integrated basin planning and flood mitigation.
• Incorporates glacier lake outburst flood (GLOF) studies to address climate-induced risks in the Himalayan region.

Challenges

1. Geopolitical Coordination with Nepal

• Delays in finalising Koshi dam agreements due to differing priorities on water sharing and flood control.
• Absence of India-Nepal Joint Committee meetings in 2025-26 reflects stagnation in bilateral negotiations.

UPSC Link: GS-II: India-Nepal relations

2. Technical and Geological Risks

• Complex terrain and seismic activity in the Himalayan foothills pose construction challenges.
• Inadequate geological data may lead to unforeseen delays in dam and canal construction.

UPSC Link: GS-III: Disaster Management

3. Financial and Administrative Bottlenecks

• High project cost necessitates efficient fund utilisation and monitoring to prevent cost overruns.
• Land acquisition and rehabilitation delays could hinder canal construction progress.

UPSC Link: GS-III: Infrastructure Development

4. Climate Variability and Hydrological Uncertainty

• Changing precipitation patterns and glacial melt dynamics may alter river flow projections.
• Inadequate long-term hydrological data increases the risk of overestimation or underestimation of water availability.

UPSC Link: GS-III: Climate Change

Challenges — UPSC Perspective

Way Forward

• Convene urgent India-Nepal Joint Committee meetings to finalise Koshi dam agreements and address bilateral concerns.
• Accelerate geological and hydrological surveys to mitigate technical risks in construction.
• Strengthen institutional frameworks for real-time water data sharing between India and Nepal.
• Enhance monitoring mechanisms under PMKSY-AIBP to ensure timely fund disbursement and progress tracking.
• Integrate climate resilience measures in project design, including adaptive flood management strategies.
• Prioritise land acquisition and rehabilitation policies to minimise construction delays.
• Establish a dedicated inter-ministerial task force for Koshi-Mechi project oversight and coordination.

UPSC Value Addition

Prelims Practice Questions

Q1. Which of the following statements about the Kosi-Mechi Inter-State Link Project is correct?

1. A. The project is funded entirely by the Government of Nepal.
2. B. The project is part of the Pradhan Mantri Krishi Sinchayee Yojana-An accelerated Irrigation Benefits Programme (PMKSY-AIBP).
3. C. The project aims to divert water from the Ganga to the Yamuna basin.
4. D. The project is expected to be completed by 2030.

Answer: B. The project is part of the Pradhan Mantri Krishi Sinchayee Yojana-An accelerated Irrigation Benefits Programme (PMKSY-AIBP). — The Kosi-Mechi Inter-State Link Project is funded under PMKSY-AIBP, as stated in the PIB release. The project does not involve diversion between the Ganga and Yamuna basins, nor is its completion timeline 2030.

Q2. The Joint Project Office (JPO-SKS&KI) was established in 2003 to prepare Detailed Project Reports (DPRs) for which of the following projects?

1. A. Kosi-Mechi Link Project and Gandak-Bagmati Link Project
2. B. Kosi-Mechi Link Project and Sun-Kosi-Kamala Diversion Multipurpose Project
3. C. Sun-Kosi-Kamala Diversion Multipurpose Project and Sapta-Kosi Multipurpose Project
4. D. Gandak-Bagmati Link Project and Sapta-Kosi Multipurpose Project

Answer: C. Sun-Kosi-Kamala Diversion Multipurpose Project and Sapta-Kosi Multipurpose Project — The JPO-SKS&KI was formed to prepare DPRs for the Sapta-Kosi Multipurpose Project and the Sun-Kosi-Kamala Diversion Multipurpose Project, as explicitly mentioned in the PIB release.

Q3. Which of the following studies has NOT been completed for the Sapta-Kosi Multipurpose Project as per the given data?

1. A. Topographical survey
2. B. Glacial Lake Outburst Flood (GLOF) studies
3. C. Construction material survey
4. D. Feasibility study for inter-basin water transfer to peninsular rivers

Answer: D. Feasibility study for inter-basin water transfer to peninsular rivers — The PIB release lists completed studies for the Sapta-Kosi Multipurpose Project, including topographical survey, GLOF studies, and construction material survey. No mention is made of feasibility studies for inter-basin water transfer to peninsular rivers.

Mains Practice Question

✍ Analyse the significance of the Kosi-Mechi Inter-State Link Project in the context of India’s National Irrigation Policy and India-Nepal bilateral water diplomacy. How does the project address the challenges of flood control, irrigation, and ecological sustainability in the Kosi-Gandak Basin?

Approach: The candidate should examine the project’s dual objectives of irrigation and flood control within the Kosi-Gandak Basin, highlighting its alignment with the National Irrigation Policy’s emphasis on water resource development. Discuss the project’s role in strengthening India-Nepal water diplomacy, particularly through joint studies and the establishment of the JPO-SKS&KI. Address the ecological challenges posed by glacial lake outburst floods (GLOFs) and the project’s mitigation strategies. Conclude by evaluating the project’s potential to enhance agricultural productivity and socio-economic stability in Bihar while ensuring environmental sustainability.

Source: PIB (Press Information Bureau)

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