Bio gas is a clean unpolluted and cheap source of energy in rural areas. It consists of 35-55% methane which is inflammable. Bio gas is produced from cattle dung in a bio gas plant commanly known as Gobar gas plant through a process called digestion. In the case of the Low-Cost Polyethylene, Fiber fabric and Non oxidized flexible Digester model which is available in our company. Different type of capacity available in this model.