In a swift operation, officials of the labour department and police personnel conducted raids on Sarala Brick Factory, Bhutmundai in Paradip and released two women as well as 17 labourers on Tuesday. About eight labourers hailing from Nuamunda under Deogarh district were working Sarala Brick Factory, Bhutmundai in Paradip owned by Sudhir Mohapatra and Manmohan Mohapatra.