ONGC re-thinks MOPU for Ratna Vol 22, PW 3 (15 Nov 18) News in Brief Unhappy with the discount offered by Optimum Oil & Gas, ONGC's Executive Purchase... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedONGC wants MOPU for offshore MF-1 field (10 Mar 22) ONGC drags down all-India production (25 Mar 21) ONGC re-thinks MOPU for Ratna (15 Nov 18) Optimum offers fresh price for Ratna MOPU (20 Sep 18) Asian subsidiary wins MOPU race for Ratna field (06 Sep 18) Vietsovpetro protests ONGC rejection at Ratna (26 Jul 18) MISC favourite to win MOPU contract for Ratna (08 Feb 18) Huge interest in ONGC tender for Ratna MOPU (02 Nov 17) Aban only Indian company qualified for MOPU (05 Oct 17)