Sunil Mittal (Bharti Enterprises/Airtel) is the odd one out as he's a telecom entrepreneur, while the others are bankers. O.P. Bhat was a banker, K.V. Kamach is a veteran banker (ICICI/Yes Bank), and Shikha Sharma is a banker (Axis Bank CEO). Sunil Mittal founded Airtel in the telecom sector.