Beginners and intermediate practitioners aspiring to teach yoga professionally can enroll in the Himalayan Yog Ashram's rigorous 200 hour yoga teacher training program.
This program will also help those who want to take a month-long yoga course for personal reasons including spirituality, well-being, or health. https://himalayanyogashram.com/200-hour-hatha-yoga-teacher-training-rishikesh.html