The first four characters (ANDB) represents that it belongs to Andhra Bank. The fifth character (0) is reserved for future use. The last 6 characters (001787) represents that it belongs to Ashoknagar branch in district Nalgonda of Andhra Pradesh.
IFSC code (ANDB0001787) 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 You can also verify the same by contacting bank authority of Andhra Bank since data here could be outdated.
Ashoknagar branch of Andhra Bank is in Andhra Pradesh state of India.
SRI SAI CHANDRA SADAN, 18-697 ASHOKNAGAR, MIRYALAGUDA,NALGONDA