You can find IOB Bank NEFT, RTGS and IMPS codes in the table alongside. Indian Overseas Bank NEFT, RTGS and IMPS code is same as IFSC code and used in net banking. For carrying out these transactions we need account details like account number, holder’s name as per bank records, type of account and IFSC code. Money can be transferred using any of the three techniques i.e. IMPS, NEFT and RTGS. This Overseas Bank IFSC code for Gangtok branch can be used for various online fund transfers.