Hello Aspirant,

You can have many websites in which model papers are available. Or there might be some books outside with lots of previous year papers. I'm giving you the official link visit it and see the model papers and practice them .You will surely get good marks.

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.pseb.ac.in/10th-class-model-test-paper&ved=2ahUKEwjf-bXMtdHnAhWVzjgGHQVYB0EQFjAAegQIAhAB&usg=AOvVaw3DwivzJ5pv44vU-Ay6bax-

Hope this is useful.