Introduction: The long–term complications of Diabetes Mellitus are becoming more common. In an outlook high incidence of Diabetes Mellitus complications and in view of the various studies which suggested the necessity of planned teaching program for prevention of diabetic mellitus and its complications. Method: Quantitative research approach and Pre–experimental one group Pre–test – Post–test research design was adopted for the study. Setting was at rural Community of Pune City .The samples size was 100. Non–probability purpose sampling technique was used. Tool included:  Section I – demographic variables of the samples. Section II – self –administered structured questionnaire. Questionnaire included thirty items and key score was poor knowledge (Score 0–10), average knowledge (Score 11– 20) and Good Knowledge (Score 21–30) . Reliability of the tool was found to be 0.9 Preintervention Pre–test was administered  to subjects, followed by structured teaching Programme through AV aid on Diabetes Mellitus and its Complication was given, followed by post–test, which was carried after two weeks. Result : Findings revealed in Pre–test, average knowledge score was 12.66 with standard deviation of 1.78 whereas in post–test average knowledge score was 19.99 with standard deviation of 3.26. This indicates that the structure–teaching programme was effective to enhance the level of knowledge about the Diabetes Mellitus and its complications among the residents of Rural Community. Conclusion : The present study enhanced the knowledge on the diabetes  mellitus and its complications of Rural community people.The study found that majority of resident have average knowledge and positive attitude towards Diabetes Mellitus and its complications.