HDFC Bank — Dc intl pos txn markup+st

Why i have been charged in below txn without my notice. Could you please let me know at the earliest.

I made 3 international transactions and the amount has been deducted 5 times

1. Dc intl pos txn markup+st[protected] charged 232.77.
2. Dc intl pos txn markup+st[protected] charged 211.33.
3. Dc card pur adj dt charged 30.29.
4. Dc card pur adj dt charged 71.40.
5. Dc card pur adj dt charged 50.49.
I usd to ignore but know it is costing me more money.

Regards
Vanika