Chopra Bari area of Bikaner city uses industrial effluent of dyeing and printing units for irrigation purpose. This water is highly contaminated with heavy metals. Heavy metals ditorts the quality of water and makes it unfit for drinking and irrigation purpose, and brings various physiological disorders in plants/crops. Various samples of these units are taken for analyze of heavy metal (Mn) and it was observed that all the samples show very low range of Manganese ranging from (0.01 to 0.14 PPM)