https://retail.onlinesbi.com/retail/userdrivenregdetailswin.htm
Link PAN card to SBI savings account by visiting the SBI Branch
Step 1: Visit the SBI Branch closest to you
Step 2: Carry a copy of your PAN card with you
Step 3: Fill in the 'Letter of Request'
Step 4: Submit the letter with the Xerox copy of the PAN Card.
Step 5: After verification, the process will be completed.
Step 6: You will receive an SMS on your registered mobile number regarding the status of the linking.