According to the IAF, the Indian-made Advanced Light Helicopter (ALH) Dhruv of the Air Force reportedly had seven people on board.
"The helicopter was airborne from Bareilly at 1653 hrs and was on a mission to Allahabad. The pilot gave a 'may-day' (emergency) call and soon after that there was a loss of contact on radar and on radio," IAF said in its official statement.
"A total of seven air warriors including two pilots were on board. It is feared that there are no survivors. There is no reported damage on ground," the IAF further said.
The court of inquiry has been ordered to establish cause of the accident by the IAF headquarters.