More problems for ONGC with Global helicopters Vol 21, PW 20 (12 Jul 18) People & Policy ONGC has written a strongly-worded letter to helicopter provider Global Vectra... Buy this article forRs490 $9 For a 30-article or annual subscription rates click here RelatedPawan Hans for ONGC helicopter contracts (21 Mar 24) Global Vectra fights to stay in ONGC tender (27 Jul 23) ONGC orders Pawan Hans helicopter audit (14 Jul 22) Heligo refuses to match Global rate (27 Jan 22) ONGC needs less helicopters than before (09 Sep 21) Pawan Hans bids lowest for ONGC helicopters (20 May 21) Heligo bids lowest in 12-helicopter ONGC tender (30 Jul 20) ONGC receives 32 offers in 12-helicopter tender (30 Jan 20) More problems for ONGC with Global helicopters (12 Jul 18) Only 3 companies bid for ONGC helicopter offer (22 Mar 18)