Debabrata Mukherjee and Nidhir Kumar Pal reached the summit ( 6489 meters , 21,290 feet ) on August 25 .
They were lost on the descent .
Debabrata Mukherjee and Nidhir Kumar Pal reached the summit ( 6489 meters , 21,290 feet ) on August 25 , but they were lost on the descent .