Hey there I hope you're doing well. In this lockdown period many students are unable to concentrate in their studies as the the dates of the exams are also shifted and most of them are suffering from not having a perfect time table. It is well said if you fail to plan then you plan to fail. So you must make a timetable for your preparation. to make an effective timetable you should first start by completing the topics of the chapters which you have not completed yet or not practiced efficiently earlier. You have to give daily 2 to 3 hours to this section. After this you should revise your strong topics for another 2 to 3 hour after having a break. After doing these two shifts you can try to give some practice problems are sample papers to estimate your preparation. You daily have to spend at least 7 to 8 hours in this lockdown period . Hope this will help you good luck.