Preparing for the Computer-Aided Manufacturing (CAM) in Mechanical Engineering optional subject requires a systematic and comprehensive approach. Here are some strategies to help you excel in this subject:

1. Understand the Syllabus:
- Familiarize yourself with the syllabus and exam pattern to understand the topics and weightage of each section.
- Analyze previous year question papers to identify important areas and trends.

2. Study Material:
- Refer to standard textbooks recommended by experts and experienced faculty members.
- Make use of online resources like EduRev, which provides a wide range of study material, including notes, sample papers, and practice questions.

3. Create a Study Plan:
- Break down the syllabus into smaller units and allocate specific time for each topic.
- Set achievable targets and deadlines to track your progress.
- Allocate more time to challenging topics or areas where you need more practice.

4. Conceptual Understanding:
- Focus on building a strong foundation by understanding the fundamental concepts of computer-aided manufacturing.
- Use diagrams, flowcharts, and examples to enhance your understanding.
- Clarify doubts by discussing with peers or seeking guidance from professors.

5. Practical Application:
- CAM involves practical implementation, so it is crucial to gain hands-on experience.
- Practice using computer-aided design (CAD) and computer-aided manufacturing (CAM) software to enhance your skills.
- Work on sample projects or assignments to apply theoretical knowledge to real-life scenarios.

6. Solve Practice Questions:
- Regularly solve practice questions and previous year papers to improve your problem-solving skills and time management.
- Analyze your answers to identify weak areas and focus on improving them.

7. Group Study and Discussions:
- Engage in group study sessions with fellow students to exchange ideas, discuss concepts, and solve problems together.
- Participate in online forums or communities to interact with like-minded individuals and learn from their experiences.

8. Revision and Mock Tests:
- Regularly revise the topics you have studied to reinforce your understanding.
- Take mock tests to simulate the exam environment and assess your preparation level.
- Analyze your performance in mock tests and identify areas that need improvement.

9. Stay Updated:
- Keep yourself updated with the latest advancements and trends in computer-aided manufacturing.
- Follow relevant industry news, research papers, and technological advancements to stay ahead of the curve.

Remember, consistent effort, dedication, and effective time management are key to preparing for the CAM in Mechanical Engineering optional subject.