( 1 ) BY this writ petition the petitioners, inter alia, 63 seek a writ injuncting. first respondent National Airport Authority, (for short NAA ) from granting the contract for modernisation of Air Traffic services and other connected facilities at Delhi and Bombay Airports to the third respondent, Raytheon Incorporated.

( 2 ) THOUGH the petition is still at the admission stage parties have filed detailed pleadings and documents and have addressed arguments at length.

( 3 ) IN order to appreciate the controversy raised in the petition, it will be necessary to give relevant facts, which are as under:

( 4 ) NAA prepared a scheme for modernisation of Air Traffic Control Services at Bombay and Delhi Airports with the avowed purpose of installing sophisticated state of art radar, navigation, automation and communication equipment and for providing services so as to raise the capacity of the aforesaid airports from the present level of ten aircraft moments, per hour to forty aircraft moments per hour and other connected facilities. On clearance of the scheme in June,1990 by the Cabinet Committee of Economic Affairs, detailed tender documents were prepared and eventuall