Answer: October 10
Notes: National Post Day is celebrated in India every year on October 10. It honors the Indian Postal Department for its vital role in India’s development and in connecting people nationwide. The Indian Postal Department, also known as India Post, was established in 1854 by Lord Dalhousie during the British era. It operates under the Department of Posts, which comes under the Ministry of Communications. India Post is the largest postal network in the world, serving even remote rural areas.
