ongc petro additions limited recruitment for Apprentices posts Ongc petro additions limited recruitment : ONGC Petro additions Limited (OPaL) is one of the largest integrated greenfield Petrochemical Complexes in south Asia, located in PCPIR/SEZ at the port town of Dahej Gujarat. This mega complex, having 1100 KTPA Dual Feed Cracker and Swing process for HDPE/LLDPE, […]