Subjects both male and female, aged between 35 and 55 years, with no known history of diabetes, willing and available for a 3 year study alone were screened. Pregnant women, subjects with major illness such as cancer, hepatic or cardiac diseases and on transferable jobs were excluded from the study. The initial dose of tablet was 15mg o.d. which was titrated after a month to 30 mg o.d. in subjects who did not show any adverse events.