Hydroelectric Power — Mains Questions

Critically analyze the role of hydroelectric power in India's energy security, considering its environmental and social implications. Suggest measures for sustainable hydropower development.

Pumped Storage Hydroelectric (PSH) projects are considered crucial for India's renewable energy integration strategy. Elaborate on their working mechanism, advantages, and the challenges in their development in India.

Discuss the constitutional and legal framework governing hydroelectric power development in India. How do these provisions influence the planning and execution of major projects, particularly those involving inter-State rivers?