12 chapters means You need to do study for 12hours. Your day and hour plan might be like this:- • Waking up at 4:45 A.M. •5A.M. to 10A.M. study 5 chapters. 1. 1st 15 minutes Read the writer's introduction. ( jivini and beginning of chapter's description ) 2. Then next 25 min read the chapter with 100% concentration . 3. Next 20mintes would be your some related questions to check your understanding. Yes you are done with a chapter! ( It is plan according to a Ncert book chapter ) • Repeat the same for each chapter. • After completing 5 chapters take a 2 hours break for breakfast,etc. • From 12 P.M. to 5P.M. repeat the same study plan. Yeahh. You done with 10 chapters! • Now take 1 hour break. • From 6 in the evening do some grammer for 1 hour and 15 min to fresh your mood out. • Now from 7:30 to 9:30 complete your lefting out two chapters. Now here is one advice that if you are studying 12 hours a day then it is very easy to understand that you are tired and need sleep so go to get your dinner and sleep by 10:15P.M. Do not worry about revision next day wake up at 4 am and Start to flip the pages of your book,look carefully at your stages where you feel you need to give some attention. *Work hard and hard.Do not give up,because dude it's never too late* All the Very Best!!!!!!!!!!