Details needed about getting a license and working as physiotherapist in US

hi,
I recently graduated with a bachelors in Physiotherapy from Mangalore, India. I am a Permanent Resident/ Green card holder of United States. ( this means that I do not need any visa or any support to live in US) I am now thinking of doing job in US. Now since I completed my education in India, what are the procedures to get a job in US. Do we need to give any exam or do we need to get any license or something like that. Please explain me all the details about this. I am completely new to this.Please. I would be grateful for your kind consideration.