evidence: The Nelang watershed remained mysterious and obscure for a long time because of the difficulty in accessing it from the Bhagirathi valley, the tall walls of the Nelang [...] He mentions that the Jadh people of Nelang and Jadung were apprehensive of European incursion and discouraged him from exploring till the pass to Tibet. Based on his interactions he established that The Jahnavi originates much closer to Nelang and on the south side of the pass to Tibet; not from far off Chaprung, as was previously thought. [...] The Nelang watershed drains water from four major valleys. Three of these vales have a generally