Biogas plant means a plant in which materials of animal cause are at least part of the material which is give in to to biological degradation under anaerobic conditions for the production of biogas.Biogas plant provides the biogas/ biofuel which is derived from the natural process of anaerobic decomposition, which happens in the nonappearance of oxygen. When the organic matter decomposed, a mixture of gases is released, primarily methane and carbon dioxide. Food wastes, animal dung, wastewater, and crop remainder are some of the organic materials used for biogas.Methane, a