(a) whether ONGC have invited tenders for hiring three new helicopters for its offshore drilling operations;
(b) if so, the number of tenders received by ONGC;
(c) whether ONGC had not opened all the tenders and sharp differences in prices between earlier suppliers of chopper and the present ones have come to light;
(d) if so, whether the Government propose to direct the ONGC to re-tender its requirement of the helicopters; and
(e) if so, the details thereof?