The overall purpose of this study was to identify the perceptions held by agricultural extension professionals in India regarding indigenous knowledge systems and to develop an appropriate model for using indigenous knowledge. The research design used for this study was a descriptive survey method as well as a participant observation method. A survey questionnaire was used to collect information regarding extension professionals' perceptions of selected indigenous knowledge concepts. The extension professionals, irrespective of their hierarchies, were found to be aware of the value of indigenous knowledge systems. Factors that are essential for revitalizing the agricultural extension system are identified. A model to integrate indigenous knowledge systems into agricultural and extension education is explained.