Andhra Bank — Transaction failed money deducted

Address:

Hyderabad, Andhra Pradesh

My name is jayarama krishna sure, my andhra bank account number is sb [protected], this month 18/07/2015 i make a online transaction through net banking but transaction failed and 879 amount was deducted .Please tell me how to take refund money, i was contact customer care so many times but nobody respond...Please solve my problem as early as possible.My mobile number is [protected].