Background: An estimated 1.28 billion adults in the age group of 30–79 years globally have hypertension. Opportunistic screening would be one method to screen all patients attending health care facility for hypertension and Cardiovascular risk factors. Objectives of this study was to assess the magnitude of the undiagnosed hypertension and obesity by opportunistic screening among the study participants and also to study the factors associated. Methods and Material: A cross-sectional study design was carried out in the outpatient department of General Medicine, in a teaching hospital, India. Blood pressure, BMI, waist circumference was measured among patients aged 30 and above. Results: Almost one third of the study participants were screened to be having Hypertension (27.6%). More than half of the study participants belonged to the category of overweight according to BMI (64.4%) and majority of them were obese according to waist circumference (Male-81.3%, Female-74.2%). Conclusions: Opportunistic screening is a simple and yet efficient method for screening patients for Hypertension and Obesity. Management of these two important risk factors at early stage will help in preventing cardiovascular events among the patients in the future Keywords Opportunistic screening, Non communicable disease, Hypertension, Obesity