supply of rail profile weld grinder + amc of stmrail profile weld grinder + amc of stm,rail profile weld grinder as per rdso specification no.tm/sm/10 dt.16.08.1991 (first revision july-2020) with 2 years warranty and 4 years am c after warranty [ warranty period: 24 months after the date of delivery ] ] , annual maintenance contract for stm. the amc period is valid for 4 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. [ warranty period: 24 months after the date of delivery ] ]