This book contains all about “Extension Methodologies for Agricultural Development”. The first chapter enlightens the study entitled “Extent of knowledge and adoption of biofertilizers use by the biofertilizer users of District”. Second chapter focuses on what extent tribal farmers had adoption of low-cost and no- cost technologies of watershed management. The third chapter discloses the investigation regarding scientific study entitled “Role performance of tribal farm women in livelihood management”. Fourth chapter enlightens the Expectations and Opinion of the farmers regarding Community Internet centre at Village level. Fifth chapter enlightens the Role of NGOs in Agricultural development. The last chapter is regarding Impact oriented- TOT in tribal Belt along with some documentation of Research papers and Success stories of work done in Grass Roots Level. Which would be useful to all engaged with TOT, Policy makers, Government departments, educationists and Extension educationists to cater the needs of the people at their doorsteps in effective manner. This chapter also focuses on improvement of managerial ability of Stake holders. This chapter will pave the boon for effective TOT at Grass Roots level for effective Agricultural development. This book entitled “Extension Methodologies for Agricultural Development” is very helpful in teaching, research and extension in the field of agriculture and allied sciences. This book paves the way of effective TOT at Grass Roots level for impact-oriented field extension and room teaching- Research, too. This book may be useful to educationists, researchers, extension workers and government as a whole for overall agricultural development.