Tata Teleservices Limited (TTSL) has reappointed N. Srinath as managing director (MD) for another three years, with effect from February 1, 2017. Srinath has been MD of TTSL since February 2011. He has been associated with the Tata Group since 1986 and has worked in areas such as process automation and control, information technology and telecommunications. Prior to joining TTSL, he served as MD and chief executive officer (CEO), Tata Communications.