Useful Links

DOT - Department of Telecommunications        MTNL - Mahanagar Telephone Nigam Limited             BSNL - Bharat Sanchar Nigam limited                  VSNL - Videsh Sanchar Nigam Limited                       TCIL - Telecommunications Consultants India Limited                            TEC - Telecommunication Engineering Centre                                 ALTTC - Advanced Level Telecommunication Training Centre                                      ITI - Indian Telephone Industries Limited                                           TRAI - Telecom Regulatory Authority of India