Essar set to drill CBM coreholes at Rajmahal Vol 19, PW 22 (14 Jul 16) Exploration & Production Finally all necessary clearances have come in so Mumbai-based Essar Oil can begin... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedEssar budgets $13.5m for Sohagpur/Rajmahal (14 Jun 18) Essar plans Sohagpur drilling (22 Mar 18) Essar to double Raniganj CBM output (24 Aug 17) Essar set to drill CBM coreholes at Rajmahal (14 Jul 16) CBM: Essar prepares four-block rig/services tender (12 Feb 15) Essar set to explore Sohagpur CBM block (06 Nov 14) Assam's first CBM exploration well imminent (31 Jul 14) Arrow hits back at Essar report (13 Aug 09) Another six rigs for Essar as it steps up CBM campaign (20 Mar 08) Essar Oil begins CBM exploration at Raniganj (01 Dec 05)