Tata Teleservices Limited (TTSL) has reappointed N. Srinath as managing director (MD) for a further period of three years, with effect from February 1, 2017. Srinath, who has been MD of TTSL since February 2011, has been associated with the Tata Group since 1986, holding various positions in areas such as process automation and control, information technology and telecommunications. Prior to joining TTSL, he served as MD and CEO of Tata Communications.