Justice R S Pathak, probing allegations against Congress and Natwar Singh in the oil-for-food scam, submitted his inquiry report to Prime Minister Manmohan Singh on Thursday.

The Volcker Committee -- set up by the United Nations to inquire into the Oil For Food Programme -- named K Natwar Singh, who resigned from the Manmohan Singh Cabinet on December 6, the Congress party and several Indian companies as beneficiaries of the scandal.