Indian Overseas Bank IFSC Code KOLIWADA SION, MUMBAI Branch in MUMBAI can be used for internet banking for transferring funds between any two bank branches. This is IFSC Code for Indian Overseas Bank KOLIWADA SION, MUMBAI Branch in MUMBAI allocated by RBI. Before using this KOLIWADA SION, MUMBAI Branch MUMBAI Indian Overseas Bank IFSC Code, kindly cross check the respective bank website. This Indian Overseas Bank KOLIWADA SION, MUMBAI Branch IFSC Code in MUMBAI supporting net banking has its unique IFSC code. KOLIWADA SION, MUMBAI Branch MUMBAI Indian Overseas Bank 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.