For more than 150 years, the Department of Posts (DoP) has been the backbone of the country's communication and has played a crucial role in the country's social economic development. It touches the lives of Indian citizens in many ways: delivering mails, accepting deposits under Small Savings Schemes, providing life insurance cover under Postal Life Insurance (PLI) and Rural Postal Life Insurance (RPLI) and providing retail services like bill collection, sale of forms, etc. The DoP also acts as an agent for Government of India in discharging other services for citizens such as Mahatma Gandhi National Rural Employment Guarantee Scheme (MGNREGS) wage disbursement and old age pension payments. With more than 1,55,000 post offices, the DoP has the most widely distributed postal network in the world.
Postal Index Number(PIN) or PIN Code is the numbering of the post office or post code system used by India Post. The PIN Code is 6 digits long. First two digit reflects state, next the district and last three represent the post office code. Pincode system was introduced in India on 15 August in the year 1972. India Post is one of the largest postal system owned by Government of India. It has more than 1.5lac post offices across India and reaches every nook and corner of India.