This Aadhaar SMS Service has been given by the Unique Identification Authority of India [UIDAI]. This SMS service is given to those citizens or people who do not have any internet connection, online Aadhaar website, m-Aadhaar, etc. With this SMS service, everyone can take advantage of different types of services, for example, virtual ID generation, locking or unlocking of Aadhaar number, and many more. Everyone has to just send an SMS to 1947 from their mobile phone or number.