The system of Indian Overseas Bank BSR Code was introduced in Dec 1972 for bringing uniformity in the classification system for comparability of the data, nationally as well as internationally. This code is helpful in filing TDS/TCS returns and also for pensioners who have served the central government of India for obtaining their pension.
It is very important to verify BSR code 271499 of correct branch before initiating a BSR fund transfer. Though all banks will have a mechanism to verify the BSR Code, Bank Branch, Account Type and Name and any mismatch will result in failed transaction! For verifying the BSR code 271499 you can contact the Indian Overseas Bank branch and talk to the concerned authorities.