Dear Mansi,

BOT course is a health profession course that involves in providing aid to those people who are mentally or physically challenged. Occasional therapists  help these people by giving them treatment and mental support. About the scope in India, there are many Top colleges in India.Some of them are:-
All India institute of physical medicine and Rehabilitation, Mumbai, Maharashtra

Chakradhara Institute of Rehabilitation Science, Bhubaneshwar,Orrisa

Christian Medical College , Vellore