"I am deeply sad to learn about the passing away of your son, Lance Naik Hanamanthappa Koppad. Lance Naik Koppad was a hero who demonstrated exemplary will power and courage in the face of adversity. He made the supreme sacrifice in the line of duty.
"In this moment of grief, the sympathies and condolences of the entire nation are with your family and you," the President said in a message to his mother Basamma Koppad.
Siachen braveheart Hanamanthappa died today, three days after he was miraculously rescued alive from beneath tonnes of snow following an avalanche that hit his post in Siachen Glacier, in Army Research and Referral Hospital here.
"Please accept my heartfelt condolences and convey them to the members of your family. I pray to the Almighty to give you and your family the strength and courage to bear this irreparable loss," Mukherjee added.