HI Eshan,

Since there are different courses offered in Computer science like B.Tech computer science and engineering, B.Sc Computer Science, Bachelors in computer science, from a large variety of college who have there own eligibility criteria, you need to mention the college you are asking for and the exam whose total marks is 800. Then only we may be able to help you.

Feel free to contact us for any queries.

All the best :)