Indian Bank — transaction failed amount debited

Address:

609 mohalla kharait ali mawana meerut, Meerut, Uttar Pradesh, 250401

I am vanshika from mawana. I have tried to register in geekclasses website and used debit card transaction for payment of rs.5000 on march 19th 2019. The transaction was failed but the amount is debited from my account. Please help me out to solve this. Its rs.5000. I have enquired geekclasses on this but no registration is registered, they said me to ask in bank. I have mentioned my transaction details below.

Transaction details :
Account no :[protected]
Atm wdl seq no :[protected]
Atm /pos id : 70018176
Transaction date : 19/03/2019