Background: The two way relationship between diabetes and periodontitis offers an opportunity for the detecting undiagnosed pre diabetes and diabetes. The present study assesses pre-diabetic and diabetic risk in chronic periodontitis patients. Methods: A sample of 100 patients diagnosed with chronic periodontitis was enrolled into the study. Patients with Periodontal Disease Index (PDI) score >4 were subjected to collection of blood samples in 2ml EDTA vacutainers were sent for HbA1c analysis to Thyrocare® Laboratory. The patients were then diagnosed as pre-diabetic or diabetic. Results: The study population revealed that 39% of the total population was pre-diabetic while 13% were diabetic of the total population was overweight. Strength of association of PDI scores with pre-diabetic and diabetic risk, a moderate statistical significance was noted. Conclusion: Screening for pre-diabetes and diabetes in patients with periodontal disease may help in identification of individuals with pre-diabetes and diabetes mellitus at early stages allowing for a wholesome treatment approach.