Tender For auction sale of - adv.through led display board/panel at inside area (upper and lower concourse, dripwall, platform area) of sealdah (sdhm) metro station premises.
Tender For supply of physical and chemical test with arsenic of drinking water sample(colour, turbidity, ph, tds, total hardness, iron .zinc, copper , chloride, calcium, magnesium, silica , sulphate and arsenic.