Patient testimonial: Knee arthritis BMC/Stem Cell Procedure, Dr.Venkatachalam. An Indian patient from the north eastern state of Nagaland got BMC/ Stem cell procedures for both knees. Just after 48 hours, she feels relieved of her pain. She praises the doctor and his staff for the treatment. She recommends the doctor highly. To get this treatment for yourself, schedule an appointment in Chennai by e mail drvenkat@kneeindia.com.