Aadhaar card holders will now be able to carry their information on their smartphone, courtesy the mAadhaar app launched by Unique Identification Authority of India (UIDAI). To use the mAadhaar or 'mobile Aadhaar' app, users need to have their phone number registered with UIDAI. Once the process is complete, they can download their details on the app, which will show data such as name, date of birth, gender, address and the photograph on the device. With this mAadhaar, users will not need to carry around the hard copy of their Aadhaar with them anymore. This is another step by the government to digitise processes in the country, and make initiatives streamlined using technology. Here's what you need to know.