HDFC Bank — I'm complaining about fast tag submission page error.

Address:

Kaithal Road, Karnal, Haryana, 132001

I'm here to make complaint about hdfc bank fast tag page, my account has been debited of rs. 500/- but hdfc fast tag page shows error at last page while amount get debited from my account.
Vehicle no. Hr35g3965 with
Etoll1291683 on dated[protected]:32 a. M.
Reference number[protected]

Please check it and refund my money. Because now i have applied from icici bank website and my transaction got successfully completed.
Please refund my money. Really disappointed as there is no email id for complaint and toll free number is not responding.