The state government, which had rejected in 2002 the farmers' demand for return of the excess land, took the decision to give it to Gadkari within days of his request in June 2005, Kejriwal alleged.
Claiming to have letters signed by Ajit Pawar, he said that the then Irrigation Minister influenced the Vidharbha Industrial Development Corporation even though its secretary objected, saying it could not be done "legally".
"There has been a conspiracy. BJP has betrayed the country. People had hoped that BJP will point fingers at the ruling party when it falters. But to increase his business empire, Gadkari has done setting with ruling parties.
"...Gadkari is not a politician. He is not in politics. He is using BJP to increase his business interests. Now the party has also amended its Constitution to give him a second term as president," Kejriwal claimed.
He said Gadkari's business links were harming the interests of farmers.
Kejriwal alleged that the state government acquired excess land and did not give it back to farmers as per law.
Giving an example, he said one Gajanan Ghagde had approached the government seeking return of his land.
But the government sat on it for almost two years but when Gadkari wrote a letter seeking transfer of the same land to him, Pawar wrote a letter recommending it in four days, he alleged.
"There was action on Gadkari's letter very fast but a representation by the farmer did not get any response for two years. And when it came, they were not given back," Kejriwal said.
He said Gadkari has a big business empire and his interests range from power to sugar to ethanol.
Kejriwal said that "in Haryana, Vadra saab is looting the farmers' land. In Maharashtra, Gadkari saab is looting the farmers' land and water. It seems this is one large family with people like Sonia Gandhi, Sushma Swaraj, Arun Jaitley, Salman Khurshid, Kapil Sibal, Mayawati."