Yes, of course. Before you travel, use any of the following ways to activate your Debit Card for international usage:
On Net Banking:
On Mobile Banking:
You can also enable international usage your debit card by sending a simple SMS from your registered mobile number:
SMS <DCENB xxxx (last four digit of your debit card number) > to 5676788 OR 9971056767
You can also activate/deactivate your debit card for international usage by visiting this link