Let me walk you through the steps on how to make payment from Net Banking, user05678.
Here's how to a payment from QuickBooks Online.
If you subscribed through Google Play (Android) or the Apple App Store (iPhone or iPad), use these steps from Google and Apple.
Please refer to this article to view some scenarios on why the price could seem like it increased or why did you got charged multiple times on my subscription: Understand your QuickBooks Online subscription rate.
Stay in touch with me if there's anything else you need by commenting below. I'm always right here whenever you have additional concerns about making payment for your QuickBooks subscription.