Hey Aditi,
For Admission to Bachelor in Physiotherapy (BPT), you are firstly required to choose some good colleges in which you want to take admission, also there are some national and state level entrance exams conducted for admission to physiotherapy like courses in Government colleges, also some medical government college accept your NEET scorecard, (well scored NEET marks are beneficial for your admission)
So if want to know about the future scope, let me tell you one thing, Physiotherapy is a course after pursuing which one is called as a doctor (A Physiotherapist). The scope is wide and graduates are in demand in India as well as in Abroad. Some job profiles you can earn are health counsellor, doctor, physical trainer and sports coach. It is one of the most demanding field in Medical. After gaining specialization in the course, the demands and even the salary increases.
To know More about the course, kindly refer this link :
https://medicine.careers360.com/articles/4569-Course-Review-Physicotheraphy-in-India
Good Luck!