A little bird told us: How the billionaires fare on Twitter

Images: Mahindra, Kotak, Chandra: Vikas Khot; Nilekani: Amit Verma; Goenka: Mexy Xavier; Mariwala: Prasad Gori; Murthy: Selvaprakash Lakshmanan For Forbes India; Balkrishna: Rajeev Tyagi / Fotocorp; Kris Gopalakrishnan: Faheem Hussain