The government has slapped ONGC, Reliance Industries and Royal Dutch Shell with a demand of USD 3.9 billion (about Rs 25,487 crore) in dues following an arbitration award in its favour, the state-owned firm said today. The demand **tice pertains to interpretation of the contract for the Panna-Mukta and Tapti (PMT) oil and gas fields in the Arabian Sea. "The directorate general of hydrocarbons (DGH), vide letter dated May 25, 2017, marked to all ...