The present study was carried out in Saharsa district of Bihar state to explore the impact of training programme on adoption of vermicomposting practices among the farmers of Saharsa district of Bihar. 120 number of respondent were randomly selected from 12 villages of three blocks of Saharsa district. 68.33 percent respondents had medium level of knowledge regarding practices of vermicomposting. Uses of vermicomposting ranked I with mean score 2.52 followed by filling of vermibed ranked II with mean score 2.50.