New Delhi, Oct. 18 -- State-owned Oil India Limited (OIL) has signed a revenue-sharing contract for a 272.14 sq km coal-bed methane (CBM) block in the Singrauli coalfield region, marking its return to exploration of the unconventional natural gas resource.

The agreement, signed on October 15 and disclosed through a regulatory filing to stock exchanges on Sunday, is part of the company's efforts to diversify its energy operations and explore domestic gas resources.

In its official press release, Oil India said it had achieved a significant milestone with the signing of the "Revenue Sharing Contract (RSC) for Special Coal Bed Methane (CBM) Block SR-ONHP-(CBM)-2026/1 on 15-10-2026."

The block covers an area of 272.14 sq km and has geologi...