Good morning, Nonymuse.
Thanks for turning to the Community for support. I can see how being able to add TDS and Class option in import Bill, would be something you'd like to see in QuickBooks, so I recommend leaving feedback by heading to the "Gear" icon and selecting the Feedback option. These comments are viewed and considered by our developers as they create new features and updates for QuickBooks.
If you have any other questions, feel free to reach back out to us.