supply of aux converter ambient/ power module,temperature sensor and control card.aux converter ambient/ power module,temperature sensor and control card.,aux converter ambient/ power module temp sensor for mr-400 series rakes of kolka ta metro railway as per medha spare parts price list code sp676201010. [ warranty period: 30 months after the date of delivery ] ] , temperature sensor for traction converter modules for mr-400 series rakes of ko lkata metro railway as per medha spare parts price list code sp676301012. [ warranty period: 30 mont hs after the date of delivery ] ] , control card for mr-400 series rakes of kolkata metro railway as per medha spare parts price list code sp676501016. [ warranty period: 30 months after the date of delivery ] ]