The first four characters (BARB) represents that it belongs to Bank of Baroda. The fifth character (0) is reserved for future use. The last 6 characters (PATBAN) represents that it belongs to Patan Rajasthan branch in district Banswara of Rajasthan.
IFSC code (BARB0PATBAN) can be found on the front page of the account holder's passbook or in cheque leaf. You can also verify the same by contacting bank authority of Bank of Baroda since data here could be outdated.
Patan Rajasthan branch of Bank of Baroda is in Rajasthan state of India.
PATAN, BANSWARA, RAJASTHAN-332718