The correct option is D All of these
Agriculture has been the major source of livelihood for the people of Tamilnadu. Agricultural production in Tamilnadu has increased due to land reforms and improved methods of agriculture. The green revolution was introduced through land reforms, promoting the use of HYV seeds and improved irrigation facilities, to increase agricultural production. Abolition of Zamindari system, land tenuring, consolidation of farms, the introduction of land ceiling act and co-operative farming were the new reforms introduced after independence.