Cairn Plc's H1CY 08 PAT (profit after tax) has come in at USD 375.3 million, reports CNBC-TV18. This includes USD 358.7 million gain from 4% stake sale in Cairn India. Cairn India has submitted its revised Field Development Plan to the Operating Committee. The company sees 30% increase in the expected recovery from Mangala Fields. Also, it sees Plateau Production Rate to be up by 25% at 125,000 bpd.