Indian Oil Corporation (IOC) has won licences to retail gas in 10 cities while Hindustan Petroleum won rights for nine towns as oil regulator PNGRB announced winners for the 10th city gas bid round. It won licences for nine cities, most of them in Bihar and Jharkhand, on its own and one in a JV with Adani Gas, as per statement issued by Petroleum and Natural Gas Regulatory Board. — PTI