ONGC to takeover CB-OS/2 block from Cairn Vol 28, PW 18 (25 Sep 25) Exploration & Production Vedanta-owned Cairn Oil & Gas has challenged the oil ministry’s unprecedented order... Buy this article forRs590 $9For a 30-article or annual subscription rates click here RelatedONGC to takeover CB-OS/2 block from Cairn (25 Sep 25) ONGC acts promptly to avert gas row with Cairn (08 Feb 18) NK Mitra waves goodbye to GSPC (05 Oct 17) GSPC wants two rigs for four wells at 3 blocks (01 Dec 16) Not the best way to promote a licensing round (16 Jun 16) Dart to exit India after completing Assam MWP (16 Jul 15) Vedanta worries Cairn (09 Sep 10) Money talks in Cairn deal with Vedanta (26 Aug 10) ONGC to pay $135m for two Cairn Energy blocks (14 Jan 04) Shell interest in British Gas and Cairn Energy (12 Apr 00)