Sub Divisional Inspector Post Office Manmad Sub Division Manmad is part of the postal department. The country has been divided into 22 postal circles, each circle headed by a chief postmaster general. Each circle is divided into regions, headed by a postmaster general and comprising field units known as divisions. These divisions are further divided into subdivisions. In addition to the 22 circles, there is a base circle to provide postal services to the Armed Forces of India headed by a Director General. The highest post office in the world is in Hikkim, Himachal Pradesh operated by India post at a height of 15,500 ft (4,700 m).