Hindustan Petroleum Corporation (HPCL) is planning to invest about ₹74,000 crore over the next five years for various projects, Chairman and MD Mukesh Kumar Surana said. He said HPCL is building a 9 MMTPA refinery-cum-petrochemical project in Rajasthan at a cost of ₹43,129 crore. The capacity of HPCL's Mumbai refinery is also being enhanced at a cost of ₹5,060 crore.