(a) whether the Indian Air Force (IAF) has prepared a ten years modernisation plan, if so, the details and the objectives thereof;
(b) whether the Government has prepared any indigenization roadmap for encouraging domestic manufacturers for the purpose, if so, the details thereof;
(c) whether due to low serviceability of various fighter aircraft, the IAF is not able to use them;
(d) if so, the details thereof and the corrective measures taken by the Government in this regard; and
(e) the other steps being taken for encouraging aeronautical research for development of new aircraft, sensors, weapons, signature reduction advances, etc.?