Starting your GATE preparation requires a well-structured plan and strategy. Here is a step-by-step approach to help you crack the GATE exam:

1. Understand the Syllabus:
- Familiarize yourself with the GATE syllabus for Computer Science Engineering (CSE).
- Identify the topics and subjects you need to study.

2. Analyze the Exam Pattern:
- Understand the exam pattern, including the number of questions, marking scheme, and duration.
- Know the weightage of each subject and focus accordingly.

3. Create a Study Plan:
- Divide your preparation time wisely, giving more time to subjects with higher weightage.
- Set daily, weekly, and monthly targets to cover the syllabus effectively.
- Allocate sufficient time for revision and solving previous year question papers.

4. Subject-Wise Preparation Strategy:
a. Start with Core Subjects:
- Begin with subjects like Data Structures and Algorithms, Operating Systems, Database Management System, Computer Networks, etc.
- These subjects carry significant weightage and are fundamental to computer science.

b. Strengthen your Engineering Mathematics:
- Brush up on topics like Linear Algebra, Calculus, Probability and Statistics, Discrete Mathematics, etc.
- Practice solving mathematical problems and numericals regularly.

c. Focus on General Aptitude:
- The General Aptitude section is common for all GATE disciplines.
- Develop your verbal and numerical reasoning skills, along with problem-solving abilities.

d. Work on Technical Subjects:
- Once you have a strong foundation in core subjects, move on to specialized topics like Compiler Design, Computer Organization and Architecture, Theory of Computation, etc.
- Understand the concepts thoroughly and practice solving related problems.

5. Use Quality Study Material:
- Refer to standard textbooks, lecture notes, and reference books recommended by experts.
- Utilize online resources, video lectures, and educational platforms like EduRev for additional study material and practice questions.

6. Practice Previous Year Question Papers:
- Solve previous year GATE question papers to get acquainted with the exam pattern and difficulty level.
- Analyze your performance and identify areas where you need improvement.

7. Mock Tests and Revision:
- Take regular mock tests to simulate the actual exam environment and improve time management skills.
- Revise the entire syllabus, focusing on weak areas and important concepts.
- Keep track of your progress and make necessary adjustments to your study plan.

Remember, consistency and discipline are key to cracking the GATE exam. Stay motivated, maintain a positive mindset, and seek guidance from mentors or experienced GATE toppers whenever needed. Good luck!