Defence Minister Rajnath Singh is monitoring the situation after an Indian Air Force helicopter with Chief of Defence Staff Gen Bipin Rawat, his wife and several other offficers on board met with an accident on Wednesday near Coonoor in Tamil Nadu.
Sources said Singh has briefed Prime Minister Narendra Modi about the crash and the Indian Air Force chief has been asked to reach the site.
There was no immediate word on the condition of Rawat.
A meeting of senior officials of the ministry is underway, sources said.
The defence minister is likely to make a statement on the issue in Parliament.