Union Bank of India IFSC Code CHENNAI - OVERSEAS Branch in CHENNAI can be used for internet banking for transferring funds between any two bank branches. This is IFSC Code for Union Bank of India CHENNAI - OVERSEAS Branch in CHENNAI allocated by RBI. Before using this CHENNAI - OVERSEAS Branch CHENNAI Union Bank of India IFSC Code, kindly cross check the respective bank website. This Union Bank of India CHENNAI - OVERSEAS Branch IFSC Code in CHENNAI supporting net banking has its unique IFSC code. CHENNAI - OVERSEAS Branch CHENNAI Union 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.