Vinod Khosla, an Indian-American entrepreneur, was indeed a co-founder of Sun Microsystems in 1982 along with Scott McNealy, Bill Joy, and Andy Bechtolsheim. The other options are incorrect: Bill Gates founded Microsoft, 'Macroni' appears to be a misspelling or nonsense name, and Narayan Murthy founded Infosys. Khosla is a prominent venture capitalist and was one of Sun's founding figures.