Heligo bids lowest in 12-helicopter ONGC tender Vol 23, PW 19 (30 Jul 20) Exploration & Production Mumbai-based Heligo Charters has bid lowest in a frustratingly long tender from ONGC... Buy this article forRs490 $9 For a 30-article or annual subscription rates click here Next 'Show PEC flexibility!' contractors tell ONGC Back ONGC forces 25% discounts from rig contractors RelatedHeligo 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) Only 3 companies bid for ONGC helicopter offer (22 Mar 18) Expect low rates in ONGC helicopter tender (11 Aug 16) Pawan Hans messes up ONGC chopper tender (23 Apr 15) Heligo mobilises for BG in $75m chopper contract (24 Apr 14) ONGC copter deadline September 1 (30 Jul 09)