The book participatory Technology Development: A Technique of indigenous technical knowledge refinement comprehensively presenting in depth about participatory technology development, experimentation, indigenous wisdom of the farming community, perception aspects of farmers, scientists and extension personnel towards PTD and technology transfer process. This will enable the different category of users namely the researchers, field extension workers, NGO personnel, student researchers etc, to understand the latest advancement in PTD and the ways and means of solving field issues and follow those ideas in their activities. Thus the book will certainly satisfy those readers who intensely use it.