Knee & shoulder pain PRP treatment India, Dr.A.K. Venkatachalam patient’s testimonial. A 15-year-old patient from West Bengal  got dramatic relief of his knee and shoulder pain with PRP injection in Chennai by Dr A.K. Venkatachalam. In this video you can see the dramatic improvement in his knee and shoulder function after the injections. He can climb stairs and lift his arm easily without any pain after the injections. If you too want relief from knee and shoulder pain in India contact the hospital.