India's latest bid round for 21 oil and gas blocks attracted just three bidders, two of whom were state-owned explorers Oil and Natural Gas Corp (ONGC) and Oil India Ltd (OIL), according to upstream regulator DGH. As many as 21 blocks or areas were offered for exploration and production of oil and gas in the Open Acreage Licensing Policy (OALP) Bid Round-VI, for which bidding closed on October 6. Besides ONGC and OIL, Sun Petrochemicals was the only other company to have bid, according to 'Summary of Bids Received Against Offered Blocks' posted by the Directorate General of Hydrocarbons (DGH).