[2] Also known as the Door Sanchar Vibhag, this department concerns itself with policy, licensing and coordination matters relating to telegraphs, telephones, wireless, data, facsimile and telematic services and other similar forms of communications.

It also looks into the administration of laws with respect to any of the matters specified, namely: In 2007, in order to distinctly address the issues of Communication Network Security at DOT (HQ) level, consequent to enhancement of FDI limit in Telecom sector from 49% to 74%, a new wing named Security was created in DOT (HQ).

Thus the network has registered a sevenfold growth since independence, with the focus of the expansion primarily in rural areas.

[11] The large numbers are a result of a long tradition of many disparate postal systems which were unified in the Indian Union post-Independence.

The national headquarters are at Delhi and functions from Dak Bhavan located at the junction of Parliament Street and Ashoka Road.

The increase was mainly due to payment of increased pay & allowances consequent upon implementation of 7th pay commission recommendations, leave encashment during LTC, cost of materials, oil, diesel, revision of service tax on government buildings etc.

Each Circle is further divided into Regions comprising field units, called Divisions, headed by a Postmaster General.

The act aims to consolidate and amend the law relating to Post Office in India along with expansion and modernization of its services.