The correct answer is A. Sabeer Bhatia.
Sabeer Bhatia is an Indian-American technology entrepreneur who co-founded Hotmail, one of the first web-based email services, with Jack Smith in 1996. Hotmail was acquired by Microsoft in 1997 for $400 million.
Vinod Dham is an Indian-American computer architect who is credited with developing the Intel 80386 microprocessor. He is also the co-founder of Silicon Spice, a company that developed high-performance microprocessors for embedded systems.
Azim Premji is an Indian billionaire businessman who is the chairman of Wipro, an Indian information technology services company. He is the son of Mohamed Hashem Premji, who founded Wipro in 1947.
Narayana Murthy is an Indian billionaire businessman who is the co-founder and chairman emeritus of Infosys, an Indian multinational information technology services company. He is considered to be one of the pioneers of the Indian IT industry.
Sabeer Bhatia is the correct answer because he is the co-founder of Hotmail, one of the first web-based email services.