IFSC (Indian Financial System Code) is basically a code which is alphanumeric containing 11 Characters. It is given to each bank branch which takes part in the basic electronic systems i.e. RTGS (Real Time Gross Settlement) or NEFT (National Electronic Funds Transfer).
You can find IFS Code from your chequebook as shown below or you could get it from your bank branch or bank customer care.
Or you can find your IFS Code from this website: Search Bank IFSC Code
MICR code (Magnetic Ink Character Recognition) is a 9 digit number that can be found on your cheque book.