It is the only service from which one can go on a deputation to the army and serve from Captain to Major General. An attractive aspect of a career in the Indian Postal Service is that there is job mobility as well as variety.     An Indian Postal Service officer can serve in any ministry at any level depending on the seniority and aptitude. Officers are also sent on deputation to the Universal Postal Union at Berne, Switzerland or on assignments to other countries.

Professional course is at the Postal Staff College, Ghaziabad. During probation the officer will be “attached” to “field” officers of the department, where they will work in various capacities. They will serve in divisional headquarters as Senior Superintendent of Post Office (SSPO) or Senior Superintendent Railway Mail (SSRM) in the junior scale as well as in the first 2-3 years of the senior scale. Only personnel from the Indian Postal Service go on deputation to the Army Postal Service. Later in the Senior Scale they will be promoted to the rank of Assistant PMG (Post Master General) or Assistant Director General at the Directorate. In the JAG they will be made a Director. In the selection grade they will remain as a Director. They can be promoted to the senior most level of PMG of a circle. Promotions after that are to the posts of (a) Additional Secretary in a ministry (b) One of the members of the Postal Services Board (c) Chief PMG or rather HAG i.e. Higher Administrative Grade (d) Secretary, Department of Post who is also ex-officio DG and Chairman of the Postal Services Board.