Stem cell therapy Knee arthritis India. This 72 year old Chennai gentleman underwent bone marrow therapy for his left knee arthritis in June 2016. In 2017 September, he states that he has no pain and shows the ability to walk fast. See this patient’s testimonial 1 year and 3 months later. Proof of the treatment can also be seen in the comparative MRI pictures before and after treatment. If you are interested, email drvenkat@kneeindia.com for an appointment. Visit www.orthobiologicsurgeryindia.com