- Dyes are colored organic compounds that are used in various places like paper, leather, hair, drugs and cosmetics, waxes greases, plastic and textile materials. Textile mills discharge millions of gallons of the effluent as hazardous toxic waste, full of Color and organic chemicals from dyeing. Acid black is azo dye which is widely used in textile industries, there are many degradation way to degrade this type of dye but microorganism having its own advantages over other method, so here we are tried to isolate and identify bacterial isolates which having a potential to degrade acid black dye.

Keywords : Acid Black; Bacterial Isolates; Degradation; Isolation.