Billionaire Anil Agarwal's Vedanta Resources has raised the open offer price for buying shares in its Indian unit to ₹235 per share. The company raised the offer price from ₹160 per share to ₹235 per share and offer size to 651 million shares representing a 17.5% stake in Vedanta Ltd. If successful, it will cost the parent company ₹15,298.5 crore.