`Our new energy business will be the new jewel in Reliance's crown; I foresee it becoming as big and profitable over the next 5-7 years as our oil-to-chemicals business which we built over the past 40 years,' Mr Ambani said.

Billionaire Mukesh Ambani-led Reliance Industries has climbed two notches to reach the 86th spot on the Fortune 500 companies list, which includes nine Indian companies.