Chairman of Force Motors, run by son Prasan, has opened 3 new factories in the past year, including one to make engines and axles for Mercedes-Benz. His privately held Jaya Hind Industries, which has a joint venture with French auto parts maker Montupet, supplies cylinder heads to Ford from a new factory in Madhya Pradesh. His holdings include stakes in companies of the Bajaj family (No. 17), which has seen their shares surge of late.