https://www.thehindu.com/news/national/andhra-pradesh/hpcl-visakh-refinerys-residue-upgradation-facility-is-a-major-milestone-for-ap-says-n-chandrababu-naidu/article70473240.ece
CM N. Chandrababu Naidu hails Visakh Refinery's new facility as a key milestone for Andhra Pradesh's energy security and growth.
visakhresidueupgradationfacilitymajor