Platelet rich plasma is an exciting, new technique used in cases of early osteoarthritis of the knee. It has also been effectively used in cases of tennis elbow and pump arm syndrome. While in Milan, working with Dr. Alberto Gobbi, Dr. Lad had an opportunity to use this technique and see its benefits. They published their research early in 2014. You can read more about it on http://www.ncbi.nlm.nih.gov/pubmed/24748286. Dr. Lad is one of its pioneers in India.