-49.40 (-3.39%) Reliance Industries, a $50-billion-plus oil and gas giant, will enter the fast-food business with its own brand next year, opening yet another front to do business directly with India's growing young population after retail and 4G wireless services. Reliance is exploring a scaleable model like McDonald's and Domino's, complete with a standardised menu and express delivery. It plans both independent outlets and presence in food courts.