IFSC-IFSC or Indian Financial System Code is an 11-digit alphanumeric code. It is unique to a specific bank branch within the National Electronic Funds Transfer (NEFT) provided by the Reserve Bank of India.
MICR-Magnetic ink character recognition code, known short as MICR code. This is a character recognition technology to streamline the processing and clearance of cheques and other documents.
Bank Client Code-A bank code is a code assigned by the Central bank, a bank supervisory body, or a Bankers Association in a country to all its licensed member banks or financial institutions.
You can find these details on the Cheque Leaf, Passbook, and on the Bank/RBI website.