(a) the total number of operational and non-operational airports in the country including those under the Airports Authority of India (AAI), State/UT-wise;
(b) whether the Government/AAI has spent huge amount on the maintenance and development of a number of operational as well as non-operational airports;
(c) if so, the details thereof for the last three years and the current year, State/UT and airport-wise and the financial performance of AAI during the said period; and
(d) the steps taken by Government/AAI to revive non-operational airports in the country along with the funds required for this purpose?