On 20th October 1962, a Bell 47G was lost on the Tsangdhar ridge. Pilot was Sqn Ldr Vinod Kumar Sehgal with Major Ram Singh as crew. The helicopter was on a rescue mission. The wreckage was captured by PRC forces
[Nov 1962] Senior officers of the Indian Army accompanied by IAF officers make a field visit to asses the situation during the war with China. Mi-4 helicopters are visible in the background.