Hello there!

Studying from previous years question papers is one of the best way for preparation. It will give you proper idea about the exam pattern , important topics to cover and marking scheme.

Here is the link attached from the official website of Careers360 which will provide you with the sample papers of class 12th CHSE board.

https://school.careers360.com/boards/chse-odisha/odisha-chse-questions-paper

thank you!