Centre for Excellence in Telecom Technology and Management (CETTM) located in Hiranandani Gardens, Powai, Mumbai is the telecom training centre of MTNL, the incumbent operator of Government of India (GOI). It was founded in 2003 as one of the largest telecom training centres in India and amongst the biggest in Asia. The Centre provides extensive training to corporate employees, students, and MTNL's internal employees in telecom switching, transmission, wireless communication, telecom operations and management.