Gadkari visited the five-day long exhibition, which was inaugurated by the President Pranab Mukherjee on February 9, here yesterday.
"Technology is the power of the 21st century and exhibitions like these help educate and assist farmers to know the developments," Gadkari said lauding government for creating a platform.
The highlight of the 'Krishi Vasant' event is the theme pavilion, which showcases hundred years of agricultural history in India, a release added.
Some other sections display highlights of White Revolution (milk), Yellow Revolution (oilseeds), Green Revolution (grains), Blue Revolution (fisheries) and Silver Revolution (eggs - poultry) in India.
There are also experts guiding farmers on various processes of farming, harvesting, packaging marketing, the release added.