If faced with a weak subject during exam preparation, candidates should first identify the specific areas of difficulty and create a targeted study plan to improve them. Engaging in focused revision, seeking help from mentors or peers, and utilizing diverse study materials can be effective strategies. Regular self-assessment through mock tests helps track improvement and build confidence. Additionally, maintaining a positive outlook is crucial; candidates should remember that persistence is key. By treating weak subjects as opportunities for growth, aspirants can enhance their overall understanding and readiness for the exam.