Janu Basti (Knee Basti) is an Ayurvedic localized oil-retention therapy in which warm, medicated herbal oil is retained over the knee joint within a dough ring made of black gram flour. Janu refers to the knee and Basti means to retain, signifying deep nourishment of the joint structures through sustained oil contact. This therapy pacifies aggravated Vata dosha, which is the primary cause of joint degeneration and pain. Janu Basti lubricates the joint, strengthens cartilage, ligaments, and tendons, reduces swelling, and pain, and improves range of motion. It is especially beneficial in osteoarthritis, degenerative knee disorders, chronic knee pain, post-injury pain, ligament weakness, ligament tear, and age-related joint wear. Janu Basti also delays joint degeneration, improves synovial fluid quality, and enhances overall knee stability and mobility.