Sundareshan to umpire Cairn/ONGC Mangala row Vol 14, PW 20 (07 Apr 11) Exploration & Production Oil secretary S. Sundareshan might be forced to intervene in a dispute between Cairn and ONGC over planned development of several oilfields within Rajasthan block RJ-ON-90/1.... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedCairn-ONGC cost dispute hits RJ-ON-90/1 FDPs (09 Aug 18) Sundareshan to umpire Cairn/ONGC Mangala row (07 Apr 11) Cairn challenges ONGC to go for arbitration (10 Feb 11) Bhargava tipped as new additional secretary (25 Feb 10) Sundareshan on course to become oil secretary (17 Dec 09) Cairn and ONGC still disagree about revised FDP cost (04 Jun 09) ONGC ready to quit Mangala over cess row with Cairn (07 May 09) RS Pandey winning plaudits as efficient oil secretary (29 Jan 09) German-speaking AS comes to oil ministry (17 May 07) Niko and Cairn agree on 'Gas Balancing Agreement' (22 Oct 03)