From Wikipedia, the free encyclopedia. The Indian Financial System Code (IFS Code) is an alphanumeric code that uniquely identifies a bank-branch participating in the two main Electronic Funds Settlement Systems in India: the Real Time Gross Settlement (RTGS) and the National Electronic Funds Transfer (NEFT) Systems.ank-wise lists of IFS Codes are available with all the bank-branches participating in inter bank electronic funds transfer. A list of bank-branches participating in NEFT/RTGS and their IFS Code is available on the website of Reserve Bank of India.