The Department of Posts provides postal services to the public through a large nation wide network of Post Offices. Besides providing purely Postal Services, Post Offices perform agency functions like Saving Bank, Payment of Pension, Sale of Cash Certificates etc. on behalf of other Ministries/Departments of the Government of India / Other Organizations.
As mentioned earlier, the whole of India is divided into 23 Postal Circles. Each Circle is further divided into Regions. The total number of Regions in India is 37. The basic unit of administration is a Division. It is headed by a Sr. Superintendent of Post Office or Superintendent of Post Office. There are 442 Postal Divisions.