hello easwara kumar,

firstly, know about the complete syllabus

secondly, make a timetable...divide syllabus so that you can get time for revision too.

3.gather NCERTS and reference books

4.cover first from the NCERTS the theory and then from the reference boooks

5. keep recollecting the portion while going through the study plan

6. slove mock tests and sample papers.

ALL THE BEST