0224 GMT September 19, 2019
The climbers were identified as Biplab Baidya, 48, and 46-year-old Kuntal Kanrar, who died overnight at an altitude of about 8,000 meters (26,246 feet), Reuters.com reported.
Pasang Sherpa of the Peak Promotion hiking company said Baidya, who climbed the 8,586 meter (28,169 feet) Kanchenjunga main summit on Wednesday, died due to altitude sickness on the way down. Kanrar died while trying to climb the peak, he said.
Both were from the eastern Indian city of Kolkata.
Hundreds of climbers are on different Himalayan peaks during the spring climbing season which ends this month.