Introduction: A non-communicable disease (NCD) is a disease that is not transmissible directly from one individual to another risk factors such as a person’s background, lifestyle and environment increase the likelihood of certain NCDs.1 Now a days obesity caused non-communicable diseases are increased tremendously. The obesity can block the blood vessels that leads to increase in vascular resistance and in turn increases the work of the heart. This leads to increased blood pressure. That is known as hypertension. It is important to reduce the hypertension by the reduction of body weight. Both hypertension and obesity are related to a very extent and it is becoming a major health issue among the adults in India.2 The present study title: A study to assess the knowledge regarding the impact of obesity on non-communicable diseases among adults in selected urban areas of Pune city.The objective of To assess the knowledge regarding impact of obesity on non- communicable disease and associate those findings with demographic variables. Material and Methods: In present study, researcher adopted non- experimental and exploratory design was used. Data analysis was done mainly using descriptive statistics. Data collected on 100 samples. Non –probability convenient sampling technique was used. Result : The finding of the study reveals that majority of adults are having average knowledge (91%) regarding the impact of obesity on non-communicable diseases, few adults are having good or excellent knowledge (8%) and only (1%) of adults are having poor knowledge. Conclusion: The study concluded that scenarios most of the adults have only an average knowledge regarding the impact of obesity on noncommunicable diseases. And the knowledge or findings are associated or related to the type of family and the educational qualifications they have.