Question: iitians who made it big?
Answer: Nandan Nilekani. Nandan Nilekani was the Chairman of the Unique Identification Authority of India (UIDAI). ... 
Raghuram Rajan. Raghuram Govind Rajan is the current and the 23rd Governor of the Reserve Bank of India. ... 
Nikesh Arora. ... 
Vinod Khosla. ... 
Amit Singhal. ... 
Manohar Parrikar. ... 
Sachin Bansal. ... 
Sundar Pichai.