L&T Hydrocarbon Engineering gets Rs 7,000 cr order from HPCL Rajasthan Refinery January 4th, 2021 L&T Hydrocarbon Engineering gets Rs 7,000 cr order from HPCL Rajasthan Refinery January 4, 2021Technology L&T Hydrocarbon Engineering gets Rs 7,000 cr order from HPCL Rajasthan Refinery January 4th, 2021