Amount not deducted from my bank account but got the subscription?

The trial period started on 6th March, 2025 and the paid period started on 14th March, 2025. But what happened was that the payment did not go through my bank account. I did not receive any message that the payment went through my bank account. But when I checked the subscription, I had already received the subscription. They had also sent an invoice stating that the payment has been made, but not a single rupee went through my bank account. So, what does this mean? I am not able to understand...