Hello,

If you are staying in Karnataka and studying 2nd PUC then you are eligible to apply for KCET exam.  You can apply for KCET through KEA ( Karnataka Examination Authority) website when they open application for that particular year. Since 2nd PUC Chemistry, Physics, Math academics marks are considered for CET ranking, you have to score well in these subjects.

If you want more information and updates about KCET. You can check this article given below :

https://www.careers360.com/exams/kcet/articles

Hope It helps you

All the best for your Future.