Is Aadhaar mandatory for filing income tax return? All India ITR January 29, 2018 06:53 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 What is an intimation under 143(1)? Why link Aadhaar Card with PAN Card Cost Inflation Index for AY 2018-19 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 Permalink Please sign in to leave a comment.