If the firm/ partnership is being shut down or dissolved, the PAN card issued in the name of the firm has to be surrendered. The PAN card can be surrendered online by visiting the NSDL TIN website and filling out form 49A. ... Enter the PAN number to be cancelled in item 11 of the form.
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Online Process to Surrender Firm/Partnership/Company PAN Card
Go to NSDL TIN website.
File Form 49A online. ...
Once you submit the form, you will get an acknowledgement.
Print the acknowledgement & send it to the NSDL office address mentioned in the form along with the necessary documents