Nearly 48 hours after a helicopter carrying Arunachal Pradesh Chief Minister Dorjee Khandu and four other people went missing, the chopper is yet to be found. Massive search operations are on to locate the missing Pawan Hans AS350 B-3 helicopter that had taken off from Tawang at 9.50 am on Saturday. It lost communication with the ground after it flew past the Sela Pass area about 20 to 25 minutes later.