Hello there

• The main thing in your preparation is to be perfect in NCERT topics class 11 and 12 where most of the questions are asked from,finish solving book back questions of ncert
• The other topics to be concentrated are Mechanics , Organic Chemistry and calculus which consist of 50% weightage.
• Try attempting 2-3 full length mock test daily which makes you to get to know about the areas you are weak.
• Solve MCQ's in each subject by number of questions of your choice, try solving 1 MCQ withing 1 Minute.
• Do learn Grammar , Vocabulary and Puzzles daily for English and Logical Reasoning part.
  
  Wish you Best Of Luck