Revision is crucial - Now you have completed your syllabus, the next step forward is to start concentrating on problem-solving, revision, clearing doubts, etc.
Self-analyze with mock test - With proper preparation, you need to combine self-analysis as well. Make it a habit to take mock test series often.
Overweening can lead to failure - This thought should leave your mind at this very moment, you need to work hard and focus on practicing as much as possible.