Inclement weather on Sunday affected the aerial search to trace the missing helicopter carrying Arunachal Pradesh Chief Minister Dorjee Khandu and four others even as the Army, SSB, ITBP and the state police launched a massive ground operations to locate it.
Defence sources said 30 columns of the Indian Army comprising 2,400 personnel from Tawang and Tenga were pressed in different locations along the Indo-Bhutan border on ground search. Six ITBP teams with 25 personnel each have also joined the ground search operations.
More Army columns are likely to join soon while two Chetak helicopters from Guwahati and an MI-17 IAF chopper from Tawang are on sorties.
IAF officials said in New Delhi that two Sukhoi-30 warplanes have been dispatched from Bareli to scan the general area using their special radars.