Silicosis is an occupational hazard for those working in mines & in construction works. These patients are exposed to long term complications and chronic morbidity. In patients with silicosis, the involvement of pleura in the form of pneumothorax is uncommon. In our study, we have made an attempt to study the risk factors, pathophysiology & clinical profile of patients with silicosis presenting with pneumothorax,its treatment outsome and recurrence rate of pneumothorax . Silicosis has no definitive treatment. An awareness of safety & preventive measures to reduce the incidence of the disease, morbidity & mortality are needed to improve the health of people working in such places