India’s Postal and logistics network is one of the largest in the world. With millions of households, businesses, and institutions spread across the country, an organized system is required to ensure that letters, documents, and parcels are delivered accurately. The Postal Index Number, widely known as the PIN code, plays https://messiahdzrjz.national-wiki.com/2218378/the_role_of_pin_codes_in_india_s_postal_and_digital_infrastructure