(a) the number of persons having their own aircraft, name-wise;
(b) whether any person in the North- Eastern Region owns a private aircraft, if so, the details thereof;
(c) the types of these aircraft and the time since they own these aircraft including the cost of each aircraft;
(d) the airports/airstrips where these aircraft are kept; and
(e) the number of private aircraft being kept at Delhi airport and the names of their owners?