Hi Dil Raj,

The common subjects covered under CSE are as follows:-

• Engineering Physics
• Engineering Chemistry
• Engineering Mathematics
• Basic Civil Engineering
• Basic Mechanical Engineering
• Basic Electrical Engineering
• Discrete Structures
• Data Structures and Algorithms
• Data Analysis and Interpretation
• Introduction to Electrical and Electronic Circuits
• Digital Logic Design
• Design and Analysis of Algorithms
• Logic for Computer Science
• Computer Architecture
• Database and Information Systems
• Operating Systems
• Computer Networks
• and much more........

Refer here for more info - https://www.careers360.com/courses/b-tech-computer-science-syllabus

Feel free to ask doubts in the Comment Section.

I hope this information helps you.

Good Luck!