Diabetes is a chronic metabolic condition characterized with hyperglycemia and associated with several complications. Glycemic control is important factor in preventing the complications associated with diabetes. Pillars for good glycemic control are good life style modification with proper medication under medical guidance. The aim of this study was to study the effect of lock down on glycemic control in diabetic patients and possible factor responsible for this. – Out of 407 only 143 diabetic patients who attended the our endocrine OPD in last 3 months who had good glycemic control in past without any chronic complication and willing to participate were included in study. They were advised for the self-monitoring of blood glucose for identifying the glycemic control and with questionnaire designed possible factor was identified during the lockdown period. – The patients were aged between 18 and 65 years with mean age of 54.68 years and male to female ratio was 91:52.56 (39.16%) patients reported worsening of hyperglycemia and requiring addition of medications for control of blood glucose and 3 (2.09%) patients reported hypoglycemic events and medications were stepped down. Psychological stress was most common factor worsening of hyperglycemia followed by change in diet and exercise. •Overall Glycemic control got deranged in diabetic patients during the lockdown period.•Lifestyle changes and psychological stress identified as possible factors responsible for derangement of glycemic control.•Multidisciplinary approach is required which is patient centric for achieving good glycemic control.