A primary role of Army Postal Service systems is to ensure security form of address in respect of Formations/Units/Troops deployed in Armed Forces and to ensure military mail posted between duty stations at India & Abroad are delivered by adopting security form of address (or vice versa).

Army Postal Service provides Postal facilities, Schedule Despatch Services, Remittance services, Debit Army Post Logistics, Sainik Samachar Patra Seva, Permanent Aadhaar Enrolment Centre facility to Indian Army, Indian Navy, Indian Air Force and Paramilitary forces personnel through 358 Field Post Offices established across the country.

It also provides postal cover to Indian troops deployed with United Nations Peace Keeping Forces abroad.

99 APO covers all formations in the eight north-eastern states, West Bengal and the Andaman and Nicobar Islands through its network of nearly 96 FPOs.

The badge consists of the State Emblem (Ashoka Lions) at the top with words ‘Mail- Milap’, a flying ascending Rajhans encased by a wheat stalk wreath in a semi- oval shape with upward crossed lighting flashes.