The N-SAT series on military aviation is held by India Strategic defence magazine (www.indiastrategic.in) annually.
It lays emphasis on a building technological edge for the Indian armed forces, and significantly, most participants agreed that if an air force was not thinking of 20 years hence, then it is already behind the times.
Air Marshal Kumaria pointed out that in the late 1970s, for instance, the IAF actually sought removal of aerial refuelling plumbing from the Anglo-French Jaguar aircraft even though they were meant for a deep penetration strike role. Today, whether it is the long-range aircraft or helicopters, aerial refuelling capability is a key requirement.