Countries like India is undergoing a rapid epidemiological transition with increased urbanization and socio-economic development which has led to increased incidence of lifestyle diseases like hypertension, type 2 diabetes mellitus, dyslipidemia, obesity and ischemic heart diseases Obesity, prediabetes are of the most common diseases worldwide and the prevalence in young aged group appears to be increasing. Thus, the present study was planned to study the prevalence of prediabetes, obesity, abnormal lipid profile and vitamin D deficiency in apparently healthy school and college-going students and in adult population. Materials and Methods: A population based cross sectional study was conducted on subjects of Ahmedabad of aged 12 to 55 years. Using stratified random sampling method, 2412 participants were selected. Body Mass Index status, blood pressure were estimated using standard protocol. Questionnaire was filled to collect data on stress level, food habit and socioeconomic status. Lab investigations were carried out by trained lab technician. Result: Prevalence of overweight, obesity, hypertension, prediabetes, lipid abnormality and vitamin D deficiency was found to be high in 36-55 years age group, followed by 18-35 year and low in 12-17 years age group. Conclusion: The prevalence of lifestyle disorders has increased at an alarming rate globally. Obesity, hypertension, prediabetes, lipid abnormalities and vitamin D deficiency were found to be common in the city of Ahmedabad which suggest the need for greater public awareness programs on these morbidities.