If you want a straight answer, here it is: most students waste time chasing “new techniques” while ignoring the resources that actually move marks. Previous year papers, sample papers, and NCERT solutions are predictable tools that exam setters lean on every single year. If you’re aiming for a high score in Class 10, Class 12, or preparing through Class 11 fundamentals, these resource... https://www.selfstudys.com/page/isc-class-12-previous-year-question-papers