October 9 is celebrated as World Post Day worldwide to highlight the importance of postal service. On this day, the Universal Postal Union (UPU) was established in 1874 in Bern, Switzerland.

In 1969, the UPU Congress in Tokyo declared October 9 as World Post Day to create and enable a system that allows a free flow of international mail around the world.

India celebrates National Post Day on October 10.

Here are some interesting facts about India Post:

1. India is one of the earliest active members of the Universal Postal Union.

2. The government recently decided to digitize 1.5 lakh post offices, among which 1.3 lakh are situated in rural India.

3. India Post ATMs have been installed in more than 500 locations across the nation.

4. An exclusive collection of postal stamps is offered by India Post on e-commerce websites like Snapdeal and Shopclues for sale.

5. Prime Minister Narendra Modi launched the India Post Payments Bank (IPPB) in September. This is a Government of India owned payments bank operating under the Department of Posts, Ministry of Communication, which aims to utilize all of India's 155,015 post offices as access points and 300,000 postal service workers to provide a house to house banking services.