Distinguished scientist Samir V Kamat was appointed as Secretary of the Department of Defence Research and Development and Chairman of the Defence Research and Development Organisation (DRDO).
The Indian Air Force will retire one of its four remaining squadrons, MiG-21 fighter jets by 2022 September and the other three are scheduled to be phased out by 2025.
India is set to host diplomats of the 15-nation UN Security Council including the US, China and Russia, in October for a special meeting on counter-terrorism.