(a) the details of unused private/ public airstrips/
airports in the country at present, location - wise;
(b) whether these airports pose any threat to the security
of the country;
(c) if so, the details thereof;
(d) whether any assessment has been made about the vacant
land and its proper use for commercial exploitation
including reopening of airports in various cities including
Darbhanga and Muzaffarpur in Bihar;
(e) if so, the details thereof, locationwise; and
(f) the steps taken/ schemes formulated by the Government to
develop such airstrips/ airports for commercial use?