Syndicate Bank — mobile banking amount debited but not credited

Address:

Kolkata, West Bengal

Dear sir/mam,

I have an account in syndicate bank. I did a online transaction through mobile banking amount of inr 5300.00 on dated 08th feb 2019 at around 11:33 pm
The amount has been debited from my account but receiver did not received.
After that i have received message that you transaction time is time out i have also called to syndicate bank customer care no. They said your payment has been declines it was not processed so your amount would be returned by bank with in 2 or 5 working days, but now almost 5 days over i have not received my wrong debited amount. It is request you to kindly advice what i need to do or how many days they will take to give my amount return.