World Post Day is celebrated each year on 9 October, the anniversary of the establishment of the Universal Postal Union in 1874 in the Swiss Capital, Bern. It was declared World Post Day by the UPU Congress held in Tokyo, Japan in 1969.
A Postal Index Number or PIN or PIN code is a code in the post office numbering or post code system used by India Post, the Indian postal administration. The code is six digits long.
World Post Day is celebrated on October 9. Ravi, the postman, has to collect a post from the postbox and deliver it to the house at the end of the maze. Help Ravi deliver the post.