And, wonders whether what was bought with blood and guts will be bartered for a later regret. On a moonless night in Siachen, in May 1987, 2nd Lt Rajiv Pande’s 13-man patrol silently climbed towards Quaid Post, a 21,153-ft pinnacle near the crucial pass of Bilafond La, held by 17 Pakistani soldiers. Quaid had to be captured and Pande was fixing ropes on the near-vertical, 1,500-ft ice wall just below the post, to assist a larger follow-on force in making a physical assault. As the jawans fixed the ropes, gasping for breath in that oxygen-depleted altitude, Pak sentries just a...