A group of eight persons, including six Army personnel, were struck by the avalanche at an altitude of 19,000 ft around 3 pm, an official said.
Despite best efforts, six persons, four soldiers and two civilian porters, succumbed to extreme hypothermia, Army officials said.
The Army personnel hit by the avalanche were part of a patrolling party consisting of eight persons and were in the northern glacier when the incident happened.
The Indian Army had been allowing expeditions to Siachen in the late 1970s till they came to a total stop in 1984.
Soldiers posted at Siachen have initiated the arduous task of clearing the garbage that has accumulated in the world’s highest battlefield since more than three decades.
He spoke about the trials he faced then and the lessons one can learn on combat training from these experiences.
As soldiers pant for breath at the 76-km-long glacier, Sumeedha and Yogesh Chithade managed to raise Rs 1.25 lakh for the plant.