For this family of three brothers who used to walk 3 km daily to their school at Mohanur village in Namakkal district of Tamil Nadu, Thursday was indeed a proud moment. N Chandrasekaran was ... Mr Natarajan Chandrasekaran is the Chairman of Tata Sons Limited and the former CEO and MD of Tata Consultancy Services (TCS). Under his leadership, TCS became the largest private sector employer and was rated as the world's most powerful brand in IT services in 2015. Natarajan Chandrasekaran (Chandra) is the Chairman of Tata Sons Private Limited (Tata Sons), the holding company and promoter of all Tata group companies. Chandra joined the Board of Tata Sons in October 2016 and was appointed as Chairman in January 2017. Discover Mr. Natarajan Chandrasekaran 's impactful journey and leadership role at Tata Power, shaping innovation and excellence in the energy sector.