An uptick in demand and rising exports propelled the steel tycoon, who runs the $1.7 billion (revenues) privately-held Bhushan Power and Steel, into the billionaire ranks for the first time. Casting a shadow over his gains was the crisis facing his father Brij Bhushan Singal's separate steel empire: Its listed Bhushan Steel saw its share price tumble when younger brother Neeraj was arrested in August for allegedly bribing the chairman of a state-owned bank for extending the debt-laden company's credit limit. Sanjay, who spent years feuding with his father and sibling, has reportedly pledged to support them but now has to deal with greater scrutiny by his banks.