PIB Backgrounders

Pumped storage hydropower explained: how the water battery works, its types, India’s 7.43 GW capacity, potential and policy, for UPSC.

Green hydrogen and the National Green Hydrogen Mission: the 2 kg standard, SIGHT, hubs, pilots, progress and challenges, for UPSC.

All 18 Biosphere Reserves of India with year, State and area, the 13 UNESCO sites, zones and Prelims facts, for UPSC and State PCS.