The Incidence of Maturity onset diabetes i.e. type 2 diabetes is increasing in India. Thyroid dys-function which was considered as a very rare hormonal disorder is also having a rising trend inincidence. Keep-ing in view of both the hormonal disorders and also other studies the present work in Saharanpur (India) was carried out to know the relationship if any between the two diseases. Due to lack of adequate information about this relationship may be responsible for diabetic patients who may have developed thyroid dysfunction. The study population consisted of (n=100) subjects divided into two groups: diabetic group (n-=50) and non-diabetic (n=50) as an healthy control group. The biochemical parameters such as –fasting plasma glucose; triiodothyronine (T3), total thyroxine/tetraiodothyronine (T4) and Thyroid Stimulating Hormone (TSH) were measured for the assess-ment of thyroid dysfunction. Therefore, the present study identified the patients at risk with subclinical hypothy-roidism in type 2 diabetes.