supply of abrasive rail cutter , cutting & grinding machine, rail grinding machine [ warranty period: 12 months after the date of delivery ] , rail grinding machine [ warranty period: 12 months after the date of delivery ] , abrasive rail cutter [ warranty period: 24 months after the date of delivery ] , annual maintenance contract for stm machines. the amc period is valid for 2 years after expiry of 2 years warranty period. service engineers ( se ) rate is inclusive of travelling / lodging / boarding / local travelling and any other incidental charges during each visit of minimum 2 days time. no extra payment will be made on this account. , abrasive rail cutting machine [ warranty period: 12 months after the date of delivery ]