Chief Engineer of Diesel Loco Modernization Works, Patiala, Punjab invites tenders notice for providing sweeping, cleaning, scavenfing and dusting service to admn, buildings and cleaning toilets of services building and work shop and roads in colony-I. II and workshop area, DMW, Patiala (for the year 2012-13). Tender document can be collected/downloaded from www.dmw. Indianrailways. Gov. In .