Aim and Objective: This study was performed to estimate awareness among diabetic patients about the importance of glycosylated Hemoglobin (HbA1c ), in the management of diabetes mellitus. Background: HbA1c  measurement is now an integral part of management of Diabetes Mellitus (DM). It has a significant impact on health of diabetic patients by giving average blood sugar level 8 +2 weeks or 2-3 months. It is an alternate to regular blood sugar checkup which is conventional method of status of blood sugar control.  Material & Method: 200  adult  patients  attending  Diabetic  Out  Patient  Department(  OPD)  Jinnah Post Graduate Centre( JPMC)were included in the study. A questionnaire was developed for this purpose. All patients had NIDDM. Those with IDDM is not considered patient with poor compliance and irregular visits are also not considered. Result: There were only 44 patients out of 200 (22%) who were aware of the importance of HbA1c  while 30 (15%) had an understanding  of the importance of  HbA1c in management of Diabetes Mellitus and its complications. This acceptance level of HbA1c in our study.  Conclusion: Awareness about HbA1c is beneficial and alternate for blood sugar monitoring.