Indian Bank — i am complaining about debited amount before online transaction was successful

Respected sir/ mam,
I am pujalakshmi. I have been ordering some stuffs in online shopping on 11.10.2018 and used my debit card for payment of rs.1667. The transaction was failed but the amount was debited from my sb account. Please help me solve this. I have mentioned my transaction account details below.
Transaction details:
Account number: [protected]
Transaction date:[protected]
Transaction amount : rs.1667