You can update your bank IFSC in just 4 steps on Groww:
1. Click on the button below or visit the 'Bank and AutoPay' page
2. Choose the bank whose IFSC you want to update
3. On the bank details page, click on the pencil/edit icon next to your old IFSC
4. Enter the new IFSC and submit
Note: Once updated, your account will be re-verified and can take up to 24 hours.