Four paradigms of Agricultural spreading consists of Technology transfer, current since complex nowadays & later National Agriculture Extension Project (NAEP), reshaped in 1970-80 as Training and visit grouping crossways Asia. It involved crowning down approach. Its persona needs discussion.

The second paradigm called as Advisory effect is what is inform grouping of extension, where, polity agencies, NGO and theoretical industries move to farmers enquiries which we call advisory role. The ordinal paradigm consists of Human Resource Development. This innovation helped Europe and North America.

The Universities gave upbringing to agricultural youth. It is these educated, trained youngness which became forthcoming farmers in developed countries. What is famous as outreach grouping of colleges and universities is ease uncharted in our Agricultural Research grouping including State Agriculture Universities.