Step 1. Visit BOT and login with your credentials.
Step 2. Click on your ID and select “My Account.”
Step 3. Click on bank details, Click on “Add Account”
Step 4. Fill in all the mandatory fields, and upload the file.
Step 5. Select if you want to “Set Primary” account, then “Tick” on the option.
Step 6: Click Submit. New Bank details will be updated in 24 hrs.