Ageing is a natural phenomenon that is experienced by all living organisms. Healthy geriatric population makes major contribution to the health and development of the country. Musculoskeletal pain is a major health problem among geriatric population according to the survey under taken in both developing and developed countries. Knee and low back pain are the most frequent complaints among this population. Most of the geriatric population is troubled by chronic knee pain that has a main effect on their quality of life. The objectives of the study is to assess the pre and post-test level of pain on elderly client with knee joint pain, to determine the effectiveness of Calotropis gigantea and infrared therapy on knee joint pain among elderly people and to associate between the post-test level pain on intervention for knee joint pain among elderly client. 25 samples were selected by purposive sampling technique. Demographic variables was collected by interview method followed by assessed the level of knee joint pain among elderly people. The data was analysed by using descriptive and inferential statistics. The result shows that there is a positive result of Calotropis gigantea and infrared rays for knee joint pain among elderly people.