The number to check the balance for Bank of India has changed. Earlier, the number was 9266135135. Now, if your account is with Bank of India, you can check your balance easily by giving a missed call to this new number: 9812250450. After giving a missed call to this number, you will receive your account balance via SMS. So, by just giving a missed call to 9812250450, you can easily check your Bank of India balance.