40 of these aircraft will be manufactured in India by an Indian production agency from the private sector and the agency will be chosen by the original equipment manufacturer (OEM), he said in reply to a question.
The Council had taken the decision in a meeting on July 23, 2012.
The bid submission date has been extended up to August 28 this year, he said.
Government keeps a constant watch on all developments concerning national security and economic interests and takes necessary measures to safeguard them, in accordance with the prevailing security situation and strategic considerations, he said.