PIN Codes in India - Post office Address and Details
A Postal Index Number or PIN or Pincode is a six digit number in India to locate any places in India.
The PIN Code system was introduced on 15 August 1972 by Shriram Bhikaji Velankar, an additional secretary in the Union Ministry of Communications.
The system was introduced to simplify the manual sorting and delivery of mail by eliminating confusion over incorrect addresses,
similar place names and different languages used by the public.
The 9 PIN zones of Indian states and union territories: