Hello aspirant!
Congratulations for your good score in class 12 th
Answering your question-
As the admission criteria for every college is different. Many Colleges takes their own entrance exams for admission in B.P.T programme. Apart from this, there is a Common Entrance Test(CET) admission in B.P.T. Candidates who are 12th passed and secured 50% in Physics, Chemistry and Biology separately can only pursue B.P.T and you should not be less than, 17 years of age.

For more information You can go through given below article.

Http://www.medicine.careers360.com/colleges/list-of-bpt-bachelor-of-physiotherapy-colleges-in-kerala