Organic farming is not new to our country. It is age old farming practice being followed all over the world. The present study was carried out to assess the knowledge level and constraints of organic farming. A sample consist of 150 respondents (75 eastern zone and 75 western zone) selected through snowball technique were interviewed through personal interview method. The findings indicated that majority of the respondents had medium level (58.0%) of knowledge followed by high level (42.0%) of knowledge about organic farming practice. Variables education, social participation, annual income, land holding and organic farming experience were positively significant with knowledge of the respondents regarding organic farming. Majority of the respondents faced production, marketing and certification related constraints towards organic farming.