Bharat Sanchar Nigam Ltd. was incorporated on 15th september 2000 . It took over the business of providing of telecom services and network management from the erstwhile Central Government Departments of Telecom Services (DTS) and Telecom Operations (DTO), with effect from 1st October' 2000 on going concern basis.It is one of the largest & leading public sector units providing comprehensive range of telecom services in India.
BSNL Mobile is a major provider of GSM network under brand name CellOne all over India. It has wide network coverage in both urban and rural areas of India. It has over 120.42 million customers across India. BSNL Mobile offers prepaid, postpaid services and value-added services. It also offers the IPTV which enables customers to watch television through the Internet and Voice and Video Over Internet Protocol (VVoIP).