If you are talking about Dakhshana Entrance exam, then There are two times You can appear one in the class 10th and other in class 12th. The level for the 10th exam is somewhat higher to 10th if you consider Physics and for Maths and Chemistry it was up to class 10th but the difficulty level is slightly high. For 12th Exam, it is similar to JEE Main syllabus with higher difficulties.