Essar and Premier protest new terms for Ratna PSC Vol 9, PW 3 (18 May 05) People & Policy Essar Oil and Premier Oil of the UK have written to the oil ministry protesting its decision to impose new cess (tax on produced oil) and royalty rates on the (as yet unsigned) Ratna PSC.... Buy this article forRs590 $9For a 30-article or annual subscription rates click here Data not available in ...