Background: Osteoarthritis is the most common ailment affecting people globally causing pain and stiffness in knee joint increasing gradually leading to movement restrictions, adversely influencing social and emotional well-being; thus, lowering patients' quality of life.

Objective: The aim of the study was to assess the prevalence of knee OA, challenges faced and treatment seeking behavior among adults >30 with knee OA residing in DMC, UT Chandigarh.

Materials and Methods: Sample was collected using total enumeration technique where 220 subjects met ACR criteria. Subjects were interviewed, SF-36 Questionnaire (modified) was used to observe the challenges faced by the study subjects and biophysical measurements were taken. Data was analysed using descriptive and inferential statistics, Microsoft Excel and SPSS 22.0. Data findings were interpreted and presented in the form of tables, graphs and charts.

Results: Prevalence of KOA among study subjects was found to be 45%; it was more in females (46.9%) and in 60-69 years of age (60.5%). Half (49%) subjects were of upper middle class. As per BMI, 50.9% subjects were overweight (25-29.9) and 19% were obese. Most (74.5%) of the study subjects were taking treatment from government agencies. As per mean score; 57.7% of the study subjects reported fair general health, 40% reported little limitation of activities, 51.5% and 35.6% responded that they faced little physical health problems and moderate financial constraints, respectively.