who became the chairman of tata sons in 2017
Tata Sons Natarajan Chandrasekaran took over as Chairman of Tata Sons on 21 February 2017.
N. D. Tiwari He was thrice Chief Minister of Uttar Pradesh (1976–77, 1984–85, 1988–89) and once Chief Minister of Uttarakhand (2002–2007). In 1986–1987, he served in Prime Minister Rajiv Gandhi's cabinet as Minister for External Affairs. He was serving as Governor of Andhra Pradesh from 2007 until 2009. He's the only Indian to have served as Chief Minister of 2 states.