It was renamed after a team from the N.I.M Nehru Institute of Mountaineering climbed four unnamed peaks and named it after former Prime Minister Atal Bihari Vajpayee, according to Colonel Amit Bisht, principal of the N.I.M.

[2] Atal II was climbed by Nehru Institute of Mountaineering led by Colonel Amit Bisht, principal N.I.M.in October 2018.

The expedition was flagged off from Dehradun on October 4 by Chief Minister Trivendra Singh Rawat.

[3][4] Neighboring or subsidiary peaks of Atal II: Shyamvarn bamak on the western side.

From the snout of Gangotri Glacier which was called Gomukh emerges Bhagirathi river.