Build a unit test or a full CBSE Classes 9 to 12 paper, assign it to your batch, and see exactly which topics your students are weak in — without marking a single MCQ.
Your syllabus only. Set the number of questions and the difficulty.
Students open it and answer. No account, no app to install.
Scores and weak topics per student, as they finish.
The full paper with its marking scheme, including the written-answer questions.