Before starting the preparation for upsc exam, prepare yourself well.
KnowThe UPSC Exam Syllabus in detail.
After knowing the UPSC syllabus, now make your study time table and follow it strictly.
Start reading The Hindu newspaper regularly for current affairs preparation.
Select optional subject as per your choice while preparing for UPSC exam.
While preparing for the UPSC exam, start preparing from the NCERT book at the initial stage.
Once you read, start making your notes which will help you in quick recall and the notes will come in handy in the last days of the exam.
Answer writing is most important in UPSC exam, you should practice answer writing as much as you can.
Solve previous years UPSC question papers which will help you to know UPSC exam pattern.
Keep giving mock tests regularly, which will boost your confidence and eliminate the fear of exams.
Keep revising whatever you read from time to time.