Janu Sandhigata vata is one such Vatavyadhi presenting with Sandhi shula, Sandhi shotha, Sandhi atopa and Prasarana Akunchana Vedana, resulting in limited range of movements, there by restricting daily activities of the individual. Janu Sandhigatavata is commonly identified with Osteoarthritis of Knee Joint characterized by pain, swelling & impaired movements. The prevalence of Osteoarthritis rises progressively with age and it has been estimated that that 45% of all people develop Knee Osteoarthritis in life. Osteoarthritis is more common in women than men. The existent line of treatment in contemporary field of medicine includes the administration of analgesics, NSAIDS, Intra articular steroids and surgical intervention in the form of Knee replacement, which all has their own limitation and meanwhile may have deleterious adverse effect. In this regard, there is a need for exploring the safe, effective and affordable line of treatment. Basti karma is a supreme treatment for Vata Vyadhi and also known as Ardha Chikitsa because of its multifaceted actions. Many Basti formulations are mentioned in classics among which Erandamooladi Bati was selected for the study because its dual action, does Vataghna and also relives Kapha Avarana. The results were statistically highly significant within the group.