Section 23(3)(a) in The Aadhaar (Targeted Delivery of Financial and Other Subsidies, Benefits and Services) Act, 2016
(a)enter into Memorandum of Understanding or agreement, as the case may be, with the Central Government or State Governments or Union territories or other agencies for the purpose of performing any of the functions in relation to collecting, storing, securing or processing of information or delivery of Aadhaar numbers to individuals or performing authentication;