Bihar
BiharUttar PradeshJharkhandWest BengalBiharPatnaBodh GayaBihar
GangaKosiBiharVikramshila Dolphin SanctuaryValmiki NPBihar📌 Why in News?
Bihar is an upstream state relative to Farakka and is traversed by one of India's densest river systems.
The Ganga runs west to east through the state and receives major Himalayan and peninsular tributaries. Important Bihar rivers include the Kosi, Gandak, Bagmati, Burhi Gandak, Kamla-Balan, Mahananda, Son and Punpun.
Syllabus & Relevance
Paper: GS-1
Theme: Geography
Static Foundation
A paradox characterises Bihar: it is highly vulnerable to floods during the monsoon, yet parts of the state experience serious dry-season and groundwater stress.
Bihar's representatives have argued that the present arrangement does not adequately reflect the state's future drinking-water, irrigation and industrial requirements.
In August 2026, the JD(U) urged the Centre not to renew the treaty in its existing form without a scientific assessment of water requirements across Ganga basin states.
The claim that Bihar needs approximately 2,000 additional cusecs by 2050 is especially important for BPSC current affairs.
Prelims Quick Facts
Prelims facts will be updated soon.