AIMTo screen diabetic patients for pulmonary tuberculosis and find out the prevalence of tuberculosis in Diabetic patients, and to correlate the smoking habits with reference to prevalence of tuberculosis in diabetic and non-diabetic population. BACKGROUNDPrevalence of diabetes mellitus and pulmonary tuberculosis is increasing drastically in developing countries, particularly in India. In the present study, an attempt has been made to find an association of the pulmonary tuberculosis and diabetes mellitus type 2.