Colonel Narendra 'Bull' Kumar (Retired) was born in Rawalpindi - now in Pakistan - in 1933. New Delhi: Colonel Narendra 'Bull' Kumar (Retired), who contributed significantly to the security of our country by paving the way for India's move into the Siachen Glacier, died on Thursday - the last day of the year 2020. Born in Rawalpindi - now in Pakistan - in 1933, the mountaineering legend led an expedition of the Indian Army to the Siachin Glacier in April 1984. The pre-emptive mobilisation helped the then Prime Minister, Indira Gandhi, launch Operation Meghdoot. "We went on this expedition and that's where we climbed all these high passes. Every time we went, the Pakistanis came and flew over us. And to tease us and make us aware that they knew (of our presence) they used to release coloured smoke there. We were unarmed and we were pretty scared," Col Kumar had said in an earlier interview.