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 (PBBANN) represents that it belongs to Pbb Annanaga Chennai branch in district Chennai of Tamil Nadu.
IFSC code (BARB0PBBANN) 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 You can also verify the same by contacting bank authority of Bank of Baroda since data here could be outdated.
Pbb Annanaga Chennai branch of Bank of Baroda is in Tamil Nadu state of India.
Y-224, 6th Main Rd,II Avenue,Anna Nagar, Chennai-40