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. Republic Day – 26-01-2021 – Tuesday · Good Friday – 02-04-2021 – Friday · Mahavir Jayanthi – 25-04-2021 – Sunday · Id-ul-Fitr – 14-05-2021 – Friday · Buddha Purnima. Indian postal systems for efficient military and governmental communications had developed 4 Independent India; 5 The Indian Postal Service today.
