supply of battery of breath alcoholbattery of breath alcohol,replacement of battery of breath alcohol analyzer. as per rdso specification no. rdso/2015 /el/spec/0119 (rev2), date 15.03.2018. make: tayaltech, preksha,addsoft or equivalent or any othe r make suitable for tayaltech breath alcohol analyzer provided in samastipur division of east central rail way. [ warranty period: 30 months after the date of delivery ] ] , . replacement of display of breath alcohol analyzer. as per rdso specification no. rdso/201 5/el/spec/0119 (rev2), date 15.03.2018. make: tayaltech, preksha,addsoft or equivalent or any oth er make suitable for tayaltech breath alcohol analyzer provided in samastipur division of east central rai lway. [ warranty period: 30 months after the date of delivery ] ] , replacement of electrochemical base fuel cell sensor for tayaltech breathe alcohol analyzer with calibration validity of one year. overdue date- nov 2025 (01 no.) overdue date- jan 2026 (01 no.)mak e: tayaltech, preksha,addsoft or equivalent or any other make suitable for tayaltech breath alcohol analyzer provided in samastipur division of east central railway. [ warranty period: 30 months after the date of delivery ] ] , calibration of electrochemical based fuel cell sensor of breathe alcohol analyzer machine wi th calibration validity of one year. as per rdso specification no. rdso/2015/el/spec/0119 (rev2), date 15. 03.2018. overdue date- sep 2025 (10 no.) overdue date- nov 2025 (11 no.) overdue date- dec 2025 (01 no.) overdue date- jan 2026 (06 no.) (more than three years old from manufacturing) make: tayaltech, p reksha,addsoft or equivalent or any other make suitable for tayaltech breath alcohol analyzer provide d in samastipur division of east central railway. [ warranty period: 30 months after the date of delivery ] ]