Bharat Sanchar Nigam Limited (commonly known as BSNL) is an Indian central public sector undertaking, under the ownership of Department of Telecommunications, which is part of the Ministry of Communications, Government of India with its headquarters in New Delhi, India. The central public sector undertaking was established on 01-October-2000 by the Government of India. Its highest official is designated as Chairperson and Managing Director, who is a central civil service group 'A' gazetted officer from Indian Communication Finance Service cadre or central engineering service group 'A' gazetted officer from Indian Telecommunication Service cadre. It provides mobile voice and internet services through its nationwide telecommunications network across India. It is the largest government-owned-wireless telecommunications service provider in India.[7]
History
Bharat Sanchar Nigam Limited (BSNL) was incorporated on 15 September 2000. It took over the business of providing telecom services and network management from the erstwhile Central Government Departments of Telecom Services (DTS) and Telecom Operations (DTO), with effect from 1 October 2000 on a going concern basis, in early days it was known as CellOne for GSM mobile services, CellOne for Postpaid services & Excel for Prepaid Services. BSNL's network (GSM/