Background: Tuberculosis remains the world’s deadliest communicable disease. The chronic lung disease as result of tuberculosis is much explored with the available literature. This study assessed the scope of current guidelines and evidence on Post -Tubercular sequalae and pulmonary impairment to inform policy and research action. Material and methods: A cross sectional study was undertaken in patients treated for pulmonary tuberculosis. Pulmonary Function Test (FVC, FEV1, FEV1/FVC and small airway parameters) were performed with a spirometer model (RMS HELIOS 3185) and extent of radiological extent assessed by doing chest X Ray - PA View. The details regarding the demographic factors, duration of disease and duration of treatment were obtained in structured proforma. Results: Most of cases in this study belonged to 41 – 60 years of age group and majority were females. About 51.5% of the cases received treatment with ATT and 64.1% of the cases were diagnosed with disease for less than 5 years.