The agencies cooperated in October 1965 to install a nuclear-powered remote sensing station on the peak of Nanda Devi in the Uttarakhand Garhwal Himalayas.
The members were tasked to install an 8–10 feet high antenna, two transceiver sets, and the plutonium-powered Radioisotope Thermoelectric Generator and its seven plutonium capsules.
When the mission reached camp IV, a blizzard hit, and team leader Manmohan Singh Kohli decided to turn back.
[1] Broughton Coburn, author of the book The Vast Unknown: America's First Ascent of Everest, claims that the Indian intelligence had secretly hiked up there before that spring mission and retrieved the device, presumably in order to study it and possibly gather the plutonium.
[9] The local inhabitants of the region claim that due to the presence of the nuclear capsule there has been an increased number of floods and ice calving.