The Aadhaar debate is into its final stages. While the Supreme Court is yet to make it mandatory, the government is flexing its muscles by linking various services to it and forcing citizens to fall in line. The government’s latest salvo comes in the recently-passed Finance Bill -- Unique Identification Authority of India (UIDAI)-backed Aadhaar cards will now be mandatory for filing income tax returns. And if a person does not link his Permanent Account Number or PAN card with Aadhaar, his PAN will be rendered invalid after July 1, 2017. Following this, the Department of Telecom has also made it mandatory to link mobile numbers to Aadhaar. It issued a note saying that all telecom operators will have to ensure that their subscribers link mobile numbers to Aadhaar within a year. If you do not have an Aadhaar number, you will have to submit the enrolment number of your application for Aadhaar. “In case of failure to intimate the Aadhaar number, the PAN allotted to the person shall