To update your PAN card details on your NRE account, follow the easy steps given below:
1. On Mobile Banking:
1) Go to Service Request
2) Select Profile - PAN Update
2. On Net Banking:
1) Go to Profile
2) Update Contact Details - Personal Information - PAN
3. You can drop a mail to [email protected] along with a self attested copy of your PAN card from your registered preferred email id with the bank.