Hey Shinu,
Bachelor in Physiotherapy (BPT) is a 4-year undergraduate degree course in Healthcare field.
It is a field in which you studies the art of preventing and curing body pain and improve body functioning by movements of body parts.
It is a very interesting field for jobs, and has a wide scope in future in India as well as in Abroad.
For admission to BPT, you should be eligible according to these criterias:

• You must be of 17 years of age
• You must have passed 12th examinations with Physics, Chemistry, Biology and English with minimum 50% marks (45% for reserved category)

For admission you have to pass state level entrance exams and you can also give entrance exams of particular institutions.
Fee structure for the course is Rs. 1-5 lakh which varies according to different colleges.
All the best!