Hi Sampath!

CSE is Computer science engineering this branch majorly consists of computer subjects coming to intermediate syllabus can be seen majorly in 1st Year of B.Tech of any branch. Majorly,

Mathematics-Calculus, Differential Equations,Matrices,etc.

Physics- Thermodynamics and Electromagnetic Theory and if there is any elective subject based on physics then there will be topics related to it and some colleges have have physics as their major subject in one of the semester which consists of some chapters based on intermediate only that depends on syllabus decided by particular Board of the college.

Some of the colleges have chemistry as their major subject which consists of Inorganic chemistry.

Hope this helps.

All the best!