The IB operative sitting in Zimithang at Division HQ was privy to all the information that was coming in and was directly communicating the situation to Mullik. By midday, he had informed Delhi that Khenzemane, Dhola and Tsangdhar, after offering brief resistance, had been overrun. Just why and how Niranjan Prasad, sitting a few yards away from the same communication hub, failed to grasp this will always remain one of the unsolved mysteries of 1962.