With son Anil, Qimat Rai Gupta runs $1.3 billion (revenues) Havells, a maker of lighting fixtures, switchgears, wires and cables with factories across India, Africa, Europe and Latin America. Among its biggest brands: Sylvania, which it bought in 2007. It also runs 200 retail stores called Havells Galaxy, which sell electrical and lighting products. He's invested in a finance firm that has applied for a banking license. The former schoolteacher started the business in 1958 with $200.