Telecommunications Consultants India Ltd (TCIL-IT) is a leading ISO - 9001:2000 certified public sector undertaking. TCIL-IT, a premier telecommunication consultancy and engineering company with a strong base in Telecommunication & Information Technology (IT), was incorporated in 1978 by Department of Telecommunications (DOT), Government of India under the aegis of Ministry of Communications, headed by Minister of Communications and Information Technology.
There are a number of PSUs under DoT. TCIL-IT is one of them. Some other major companies are