Guwahati, June 24 -- The Assam Pollution Control Board (PCBA) has issued a show-cause notice to the Oil and Natural Gas Corporation (ONGC) following a gas leak on June 12 at its Rudrasagar oilfield in Sivasagar district.

The ONGC is accused of operating Well No. 147 without obtaining crucial environmental permits, including the Consent to Establish (CTE) and Consent to Operate (CTO).

The leak forced the displacement of nearly 350 families. In response, the government, including Chief Minister Himanta Biswa Sarma, has urged ONGC to permanently seal the well.

Meanwhile, ONGC has reported a slowdown in the gas flow and announced that an international specialist team from the United States is now on-site.

During a June 21 inspection, the ...