Most students preparing for board exams think hard work means longer study hours. That assumption is flawed. Boards reward pattern recognition, concept clarity, and exam temperament, not blind effort. If your strategy does not revolve around previous years question papers, latest CBSE sample papers, and NCERT-based solutions, you are preparing in the dark. Below is a clear, no-nonsens... https://www.selfstudys.com/page/isc-class-12-previous-year-question-papers