Axis Bank — money is not return

Address:

Jalgaon, Maharashtra, 425401

I have paid money for my sister pg study for state common entrance, mumbai but it is fail but my money is debited so i have contacted my bank and tell him for this incident so he tell me so he tells me after 7 days ur amount is returned to your account but is not refund so i have called him tell he say wait for 15 working days so i have followed but after 15 working days not refund so he tells me to wait 120 working days every time he tell me different thing so plz help me