Mahanagar Telephone Nigam Limited (MTNL), a Public Sector Enterprise, was established in April, 1986 by the Government of India to upgrade the quality of telecom services, expand the telecom network, introduce new services and raise revenue for telecom development needs of India's key metros, Delhi (the political capital) and Mumbai (the business capital of India). MTNL is a wholly owned subsidiary of Bharat Sanchar Nigam Limited. At present, Company is engaged in providing telecom services in geographical area of Mumbai and Delhi. In Mumbai, MTNL started its journey in 1882, in pre-independence era, as Bombay Telephone. The Company has also been in the forefront of technology induction by converting 100% of its telephone ex