4000 വർഷങ്ങൾക്കു മുൻപേ തന്നെ നെൽകൃഷി ഇന്ത്യയിൽ നിലനിന്നിരുന്നു എന്നതിൻഎന്നതിന് തെളിവുകൾ ലഭിച്ചിട്ടുണ്ട്. <ref> {{cite web | url =http://intellibriefs.blogspot.com/2006/10/sarasvati-heritage-project.html | title =Sarasvati Heritage Project; Parliamentary Standing Committee report | accessdate = | accessmonthday = | accessyear = | author =S. Kalyanaraman, Ph.D | last = | first = | authorlink = | coauthors = | date = | year = | month = | format = | work = | publisher = | pages = | language = | archiveurl = | archivedate = | quote =A ploughed field was also discovered in Kalibangan pointing to the domestication of rice cultivation over 4000 years ago }} </ref>
