Is Aadhaar mandatory for filing income tax return? All India ITR August 01, 2019 17:33 Updated Follow As per the Finance Act 2017 amendment , the Government of India has made it mandatory to mention Aadhaar number in Income-tax return. Click here to see how to link Aadhaar with PAN. Related articles File Income Tax Return with the Help of an Expert: Comments 1 comment Sort by Date Votes safna shajahan January 26, 2018 15:26 It's really great that u take initiative to tell people about this and your way of representation of thought is really good.We can understand out problem very easily and get our answers faster. Thanks , this really help me alot. 0 Comment actions Permalink Please sign in to leave a comment.