India's postal network is the __________ in the world.
India is the country that has a major number of position office in the world. The world's highest post office is also situated in India (Hikkim) which is located at 15,500 feet; Hikkim is the element of the Lahaul and Spiti district in Himachal Pradesh.
With 155,015 post offices, India Post has the most extensively spread postal system in the world. The country has been divided into 23 postal circles, each surrounds headed by a Chief Postmaster General.
Thus, the correct option is A.