Department of TelecommunicationC-DOT: C-DOT, an autonomous body, is DoT’s R&D arm. The organisation is committed to providing a wide range of cost-effective, indigenously developed and state-of-the-art total telecom solutions. C-DOT has grown to the level of a national centre for R&D in communication technology in many areas like Satellite communications, IN, ATM, DWDM, NMS, wireless broadband, GPON, NGN and mobile cellular systems. C-DOT is also entrusted with the projects of national importance, like central monitoring system for telecom security and secure network for strategic applications.
Bharat Sanchar Nigam Limited: Bharat Sanchar Nigam Limited (BSNL), fully owned by Government of India, formed in October 2000, provides telecom services across the length and breadth of the country excluding Delhi and Mumbai. BSNL is providing all types of telecom services namely telephone services on landline, WLL and GSM mobile, broadband, internet, leased circuits and long distance telecom services. Rural telephony is one of its focus areas. BSNL also pays special emphasis on development of telecommunication facilities in North-Eastern region and in tribal areas as well as in the LWE affected areas.
Mahanagar Telephone Nigam Limited: Mahanagar Telephone Nigam Limited (MTNL), set up in 1986, is a Navratna PSU and provides telecommunication facilities in India’s key metros – Delhi and Mumbai. MTNL is the principal provider of fi xed-line telecommunication service in these two metropolitan cities, and for GSM mobile services in four peripheral towns of Noida, Gurgaon, Faridabad and Ghaziabad along with Delhi city and the areas falling under the Mumbai Municipal Corporation, New Mumbai Corporation and Thane Municipal Corporation along with Mumbai city, also come under the jurisdiction of the company.
ITI Limited: ITI Limited was established in 1948, to supply telecom equipments to the then telecom service provider, DoT. ITI started its operations in Bangalore in 1948, which were further extended to other areas by setting up manufacturing plants at Srinagar in Jammu and Kashmir; Naini, Rae Bareli and Mankapur in Uttar Pradesh; and Palakkad in Kerala.
Telecommunications Consultants India Limited: Telecommunications Consultants India Limited (TCIL) was set-up in 1978 with the main objective to provide world class technology in all fields of telecommunications and information technology to excel in its operations in overseas and in the domestic markets by developing proper marketing strategies, to acquire state of the art technology on a continuing basis and to maintain leadership. It has diversifi ed into cyber parks, intelligent buildings, cyber and smart cities and upgradation of legacy networks by focusing on broadband multimedia convergent service networks, entering new areas of IT and IT-enabled services. It is also developing telecom and IT-training infrastructure abroad.
Bharat Broadband Network Limited: Bharat Broadband Network Limited (BBNL), a Special Purpose Vehicle (SPV), was incorporated in 2012 under the Indian Companies Act, 1956 for execution of the BharatNet for connecting 2.50 lakh (approximately) Gram Panchayats (GPs).