We know that this is a difficult situation, but there are chances that your transaction could have failed. We request you to check the following.
1. Check your email for any email from STEP.
2. Check your email and phone number for any messages from your Bank. If the transaction failed, your bank would have informed you immediately.
3. In the case of a failed transaction, you'll receive the amount within 5-7 banking days depending on your bank. Many a time due to network concerns customer receives the debit message for an amount which is refunded back by the bank.
If you haven't received any communication or if you have received only a "success" message from your bank, we request you to raise a ticket at https://steptest.freshdesk.com/support/tickets/new or email us at firstname.lastname@example.org or call us at 1800 3000 6063 (only weekdays, 10 AM - 6 PM)
Please email us with your registered email id/phone number and bank transaction details.