(a) whether the United States (US) has approved the sale of armed drones to India and if so, the details thereof;
(b) whether the US also offered integrated air and missile defence systems to India and if so, the details thereof;
(c) whether a deal for the National Advanced Surface to Air Missile System (NASAMS-II) with US is also underway and if so, the progress made in this regard ; and
(d) the other steps taken by the Government for strengthening the Defence System?