(a) the amount sanctioned for the development of the existing Runway and Construction of compound wall for Thiruvananthapuram Airport;
(b) by when the work is likely to start;
(c) whether any proposal is being considered by the Government to provide aero-bridges at Thiruvananthapuram Airport;
(d) whether any action has been taken to replace the outdated vehicles used for transportation of passengers at the airport; and
(e) if so, the current status threof?