Annual Maintenance Contract for Servicing, Maintenance, Overhauling, Repairing & Supply of spares for Ashok Leyland Engines fitted on track machines (supplied by various OEMs viz. M/s Phooltas , M/s OEPL etc.) working over Northern Railway for a period of one year from OEM M/s. ASHOK LEYLAND , CHENNAI (TAMILNADU)"