Background: Diabetes is fast gaining the status of a potential epidemic in India with more than 62 million diabetic individuals currently diagnosed with the disease. Conventional audiometric tests are not sensitive to detect the initial phase of sensory loss. A comparative study of Hearing evaluation of paediatric patients with IDDM between 6-17 yr and age and sex matched controls was done for evaluating the correlation between presence of type1 DM and auditory dysfunction, glycemic control and effect of duration of disease on hearing loss in IDDM conducted in Department of ENT in Rajindra hospital, Patiala.