Biogas is considered the most promising energy technology for the rural applications in Nepal and in other parts of the world because of its multiple values in rural economy, environment and livelihood of the people. Nutrient rich slurry is one of the important products of the biogas system, known to containing all the essential plant nutrients in balanced and readily available forms. Contrarily, management and utilization BgS have not received due considerations in the biogas promotion program in the country. In the absence of effective awareness, education and technology promotion, farmers’ practices of slurry management have not been based on scientific evidences and practices aiming at utilization and conservation of essential plant nutrients. This study was carried out with the aim of documenting and analyzing the practices of management and utilization of digested biogas slurry (BgS) and its value in the production of organic tea in Kolbung VDC in Ilam District.