** Thermal and renewable power provider JSW Energy JSWE.NS up 5.38% at 507.1 rupees
** Competition Commission of India approves co's acquisition of KSK Mahanadi Power Company (KPMCL)
** KPMCL owns a 3600 MW thermal power plant in Chhattisgarh state, of which units producing 1800 MW are operational and the remaining under construction
** Acquisition to take JSWE's total locked-in thermal generation capacity to 7.5 GW, accelerating expansion ahead of target, co has said
** With session's gains, stock now largely flat in the last 12 months
(Reporting by Ananta Agarwal in Bengaluru)
((Ananta.Agarwal@thomsonreuters.com))