The auction of coal blocks for commercial mining which kickstarted on Monday saw Vedanta bidding the highest for a mine in Odisha, while Hindalco bid the most for a block in Jharkhand. Vedanta made highest bid for Radhikapur West mine at 21 per cent revenue sharing, the coal ministry said in a statement. Hindalco Industries bid the highest for Chakla coal mine in Jharkhand at 14.25 percent revenue sharing, it added. With regard to MarkiMangli II mine in Maharashtra, Yazdani International big the highest at 30.75 per cent revenue sharing. JMS Mining Pvt Ltd bid the highest for Urtan mine in Madhya Pradesh at 10.50 per cent revenue sharing, it said.