Background: Hearing is a critical part of speech and enhances our day to day activities. It is an integral part of our personal, social and economic status and hence improves the quality of life. The study was conducted to find out the prevalence of sensori-neural hearing loss in Type -2 Diabetes Mellitus and the association between glycosylated haemoglobin and Sensori-neural hearing loss in these patients. Methodology: This study was conducted as Cross-sectional observational study, based on 100 patients who presented to the ENT and Endocrine Out Patient Department of Peoples Medical College and Research Centre between 1st December 2020 to 31st March 2022.This study suggests that there is necessity of introducing routinely periodic assessment of auditory functions in patients of Type-2 diabetes mellitus for early detection and prevent further complications. Results: This study was conducted on a total of 100 diabetic patients, showed , the association between age group and degree of hearing loss was statistically significant with a p-value of 0.03 by Pearson Chi-square test and Association between degree of SNHL and levels of HbA1C was statistically significant by Pearson Chi-square test. In our study, it was seen that as HbA1c level rises, degree of SNHL also rise . Conclusion: Thus we would like to conclude that routine evaluation of the auditory system can help in the early diagnosis of sensorineural hearing loss in type 2 diabetes mellitus, good glycaemic control is key to prevent or delay occurrence of SNHL.We also suggest regular audiological evaluation of all diabetic patients to improve the quality of life .