as the board exams are near less than 90 days are remaining even if you haven’t studied in these two months you can do it and cross 80% just by following these steps
1.Remove all the distractions that you may feel it’s consuming a lot of time
2.Do smart study. Make notes start with the chapters that are easy and small so that afterwards you can focus on tough chapters.
3. If not able to understand any topic first read the textbook,go through notes and if this also doesn’t work watch videos and understand and ask your friends or teachers to explain
4. Solve previous year question paper, do mock tests, revise it time to time like after 4 days and revise it on 10th day doing like this will clear all your doubts and prepare you well
5. Have confidence in your answers and stay healthy,do exercise,sleep well . This is necessary for your stress reliving everyday talk a walk or do some exercises, listen to music, do whatever makes you happy so that you can study for long hours.
Thankyou for reading. Stay well and best of luck