India Post is the official carrier of Unique Identity Numbers - MoU signed between DOP and UIADI to this effect.

India Post is the official carrier of Unique Identity Numbers and will deliver the UID communication to the citizens of India. Department of Posts has signed a Memorandum of Understanding (MOU) with Unique Identification Authority of India (UIDAI) on April 30, 2010 to this effect. The MoU has been entered into for a period of two years. The Department would use its flagship product, the Speed Post for this purpose. The Department got advantage for this project due to its vast network of 155,015 post offices of which nearly 90% numbering 139,144 are in the rural area.

India Post is also providing the comprehensive business solution of printing & pre mailing activities and last mile delivery of UID letters to the recipients of UID number. Whenever/ wherever required by UIDAI, the Department will also do biometric authentication of each UID letter delivered.

The Department is also successfully implementing the work of distribution of nearly 10,000 tonnes of Census material from 15 printing presses to nearly 12,000 taluk/ municipal level locations across the length and breadth of the country through its Logistics Post in connection with Census 2011 as its official carrier. India Post will also be undertaking the reverse logistics for collection of filled in census forms from these locations and delivery to the respective Directorates of Census Operations and scanning centers in the States. The Project started in February 2010 and will be completed in June 2011.