Balotra, July 4 -- Union Petroleum and Natural Gas Minister Hardeep Singh Puri on Saturday said the newly inaugurated HRRL Greenfield Integrated Refinery-cum-Petrochemical Complex at Pachpadra ranks among the world's top 25 per cent of refineries in terms of technology and will play a key role in strengthening India's energy security and self-reliance.

Addressing the inauguration ceremony after Prime Minister Narendra Modi dedicated the refinery to the nation, Puri said the 9 million metric tonnes per annum (MMTPA) refinery-cum-petrochemical complex has a Nelson Complexity Index (NCI) of 17, placing it among the most technologically advanced refineries globally.

"Whenever we discuss refineries globally, their technology is graded on a s...