[Resolved]  HDFC Bank — Deducted from My Saving Account

Myself Vivek Pandey customer of hdfc bank

My a/c number : [protected]
.
As without my knowledge any prior intimation bank have deducted inr 172.50 from my account on date 30.06.2017 and i want the reason for detection and i want my money back. This is not the way without any prior intimation bank have deducted balance from account.
This is the reference code : "inter-brn cash chg incl st & ec 280617"
Regards,