try to refer to the below web

https://docs.lib.noaa.gov/rescue/data_rescue_india.html#o39775798

If you are from Tamil Nadu approach either Tamil Nadu Agriculture University, Coimbatore (www.tnau.ac.in) or Indian Meteorological Department, Pune. But you have to pay a nominal charge for the data and you have to justify that why you need that data.

Each country has its own achieves. But literature is the best option. Visit your library for hard copies because the electronic versions is quite new in most developing countries.   Then ITC can back up the old information.

i think you should visit your local well established libraries or try AGORA

You can explore FAOSTA database. FAOSTAT contains historical agricultural production data for many countries

http://www.fao.org/faostat/en/#home

https://data.gov.in/keywords/agriculture

The above link also we can refer for getting data set related to agriculture in india..