The biogas is clean efficient fuel, free of smell and smoke, can reduce time and enhance comfort in cooking. A study was conducted at Mahewa village of Etawa District, U.P. Multi stage random sampling procedure was adopted for selection of respondents and total samples selected for the study were 80 adopters and 20 non-adopter respondents. The questionnaire cum interview method was used to collect information from biogas adopters. The 78.4 per cent adopters of biogas had biogas plant of 2 cubic meters and 80% people utilized the biogas for cooking purpose. It was found that most of the adopters of biogas were literates and from agriculture profession. The 36 per cent of the adopters had annual income above Rs. 12000 whereas, most of the non-adopters (40%) had income less than Rs. 5000/-. Around 55 per cent of non-adopters of biogas had no farming land of their own. All the respondents complained about bad odour of the biogas plant followed by water collection in gas pipe (90%) and slow fermentation (88.3%), respectively. Other constraints of biogas plant were high maintenance cost (88.3), low gas production and leakage in drum and gas pipe. Biogas adopters complained about Nausea (91.6%), Headache (88.3%) and irritation in eyes and nose (53.3%). The main reason for not installing the biogas plant was lack of knowledge about technology.

Keyword: Biogas, Fermentation, and Constraints.