State Bank of India IFSC Code MAIRWA Branch in SIWAN can be used for internet banking for transferring funds between any two bank branches. This is IFSC Code for State Bank of India MAIRWA Branch in SIWAN allocated by RBI. Before using this MAIRWA Branch SIWAN State Bank of India IFSC Code, kindly cross check the respective bank website. This State Bank of India MAIRWA Branch IFSC Code in SIWAN supporting net banking has its unique IFSC code. MAIRWA Branch SIWAN State Bank of India IFSC Code is a unique code which helps to identity the bank location too. NOTE that only those branches of a bank which are approved by RBI can provide net transfer systems.