Introduction: Obesity has become the leading global health problem. In numerous large population-based studies-Higher BMI associated with presence and development of low estimated GFR and many other renal diseases. Objective: To study the renal functions in obese adults of rural area. To do comparative analysis of renal functions with age and sex matched non obese adults. Material and Methods: The present cross-sectional study was carried out in the General Medicine OPD of BPS GMC for Women, Khanpur Kalan, Sonipat, Haryana. A sample of convenient 100 obese patients were taken. A total of 200 patients attending General Medicine OPD were taken, out of which 100 were obese and 100 were non obese. Results: Statistically significant P values were obtained for Blood Urea, Serum Creatinine, Serum Calcium, Serum Phosphorus, and urine albumin among obese and non-obese adults. Study shows no significant gender differences between obese and non-obese. Statistical analysis shows some age-related differences among obese and non-obese large population studies-showing positive association of BMI with chronic kidney disease.