"He is a child at heart because if he was mature he would have known that over 300 models of the Gujarat government has won toffees (trophies) from the United Nations and the Indian government," he added.
BJP vice president Mukhtar Abbas Naqvi meanwhile said Gandhi's attack showed he has accepted Modi as the prime minister.
"We totally reject the allegations. But Rahul Gandhi is attacking Modi as if Modi is already the prime minister," he said.
