hi abhishek,

you have to take PCB/PCM group to give jee mains and jee advance.since it is the engineering entrance exam,you're in need of physics,chemistry,maths/biology subjects.to check the eligibility criteriae, please refer this given link:

https://engineering.careers360.com/exams/jee-main

I Hope this information will be useful to you.

if you need additional information,let us know to help you.

Thank you!!!:)