Hello! Hope you are doing good

Its okay to score less. Also, you are in 11th now. There's nothing ro worry about. Just be persistent. Analyse as to how you are utilising the 6 hours of your study. No matter how many hours you stidy, please focus on the content and the quality of your study. Its only you who xan make a difference.

Also, do focus on the previous years questions topic wise. Its okay, you'll be habituated to the test with time. Analyse the mistakes that you do. It may happen that you repeat them another 3 times but make sure you don't do it on the 5th attempt.

All the best.