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Azo dyes are of environmental concern due to their recalcitrant nature. Several azo dyes and their decolorized and degraded products exert toxic and mutagenic effects on the flora and fauna. The toxic properties of these azo dyes are due to nature and position of the substitution with respect to the aromatic rings and amino nitrogen atoms. Several studies have thus far been emphasized on biodegradation of azo dye pollutants, though role of their biodegraded product is rarely studied. Given adoi:10.14429/dlsj.4.14972 fatcat:ghextgtppbf4hdh7vvqtb7owxa