The last date to link your Permanent Account Number (PAN) with your Aadhaar card is March 31, 2022. 
PAN-Aadhaar Linking: How To Link Your PAN And Aadhaar
Those who have not yet linked their PAN with an Aadhar card. It is advised to get the Aadhar card before the last date.
The PAN-Aadhaar linking period has already been extended several times.
If not linked on time then it can have many consequences, from a penalty to cancellation of PAN card, to giving minute report.
The report further states that those who link their PAN with Aadhaar after the stipulated time will have to pay a fee of Rs 1000.
Also, those who do not link will not be able to open bank accounts, invest in stocks, mutual funds, and many other financial matters.
Activity for which a valid PAN card is required
Indian citizens can link their PAN with Aadhaar by visiting the Income Tax Department's official portal, incometax.gov.in. here are the details
Steps to attach your pen to the base.
How to link PAN with Aadhar card?
Visit the official website of Income Tax Department incometax.gov.in.
Click on 'Link Aadhaar' on the homepage.
Enter your PAN details, Aadhar Number, Aadhar Name, and Mobile Number.
Click on the checkbox and click on 'Link Base'.
Type OTP and click on 'Validate'.
(with mint input)
SOURCE: THE QUINT
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