Hello Aspirant,

All the syllabus is important to score good marks in your board exam & also for further competitive exam if you appear so I would suggest you to complete your all the syllabus.

Some preparation tips you can follow:

Practice with the previous year sample Papers.

During your study note down the important points, It will also help you at the time of revision.

After completing one question do revision again to make your concept clear.

Good Luck!