"The incident occurred this morning. 3 officer were killed," an army official said.
According to sources, the helicopter was on a routine flight.
Eyewitnesses claimed that the chopper appeared to be in trouble moments after taking off. It soon caught fire and crashed at the airbase.
Two pilots and an engineer on board the chopper were killed in the crash.
Senior administration and police official have reached the spot.
The helicopter developed some technical problem and crashed at the aviation base. Pilots Major Abhijit Thapa, 29 and Captain Avinash, 26, and flight engineer Major Vikas Baryani, 29, who sustained critical injuries, were taken to the military base hospital where they died during treatment, he said.
According to sources, the helicopter was on a routine flight.
Eyewitnesses claimed that the chopper appeared to be in trouble moments after lifting off. It soon caught fire and crashed at the airbase.
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