Dear candidate, don't worry about the preparation. You have ample amount of time left with you. If you utilize this time in proper manner then you can score well.

Here are some tips that might help you in you preparation:

• Make a Practical Timetable
• Prepare According to the Latest Syllabus
• Practice Regularly
• Refer Good Study Material
• Attempt Full-Length Mock Tests
• Focus More on Weak Topics
• Prepare Short Notes for Revision
• Stay Away from Guesswork
• Study in Fixed Time Slots
• Health is Wealth
• Be Confident and Positive About your Preparation

These points are self explanatory. So, I don't think any of the above point requires any kind of explanation. Just be consistent with your studies.

All the best

Hope this helps