Aadhaar link with your Mobile is mandatory and the only way to do that for now was to visit your Mobile Network center / gallery and get it done. If you have already done that good for you, but if you haven’t then there is a much simpler way of getting it done.
The Government of India (GoI) will soon make Aadhaar compulsory for getting a new Mobile Connection. In fact GoI has already made it mandatory for filing Income tax returns and soon Aadhaar card will be the primary and only requirement for getting a new Mobile connection.
PM Modi today launched the BHIM app (Bharat Interface for Money). This is similar to what PayTM and other cashless payment apps do, however this one will be more advanced as it is linked with Aadhaar.