(a) whether it is true that India does not have any anti-drone system to counter attacks by drones;
(b) if so, the details thereof and the reasons therefor;
(c) the details of countries which have the best anti-drone systems in the world;
(d) whether the Government has any proposal to acquire anti-drone system to protect our defence bases, defence installations, etc.; and
(e) if so, details thereof along with the efforts being made during the last two years to acquire anti-drone system?