Indian Bank — atm (debit card issues)

Address:

Nagapattinam, Tamil Nadu, 609110

Dear sir,

My account no [protected] august 11.08.2017 i purchased for 4000rs, i paid through my ru pay debit card and customer swipe there atm machine money debited my account 4000 rs, but its shows transaction failed after that i paid cash.
So, i inform to merchant and my branch also (They told me it will credited within 20 days but still i did not receive amount its almost more than 43 days)
I made complaint through online and reference no is :ibcwe[protected],

For your needful action,
Thanks,