She said both the parties are in a "mad race to prove themselves more pro-corporate than that of the other".
"The country is sick of the everyday mutual bickering between the two parties," Karat told reporters here.
On the probable prime ministerial candidate if the Third Front takes concrete shape before the next Lok Sabha polls, she evaded a direct reply and said, "Let the election come."
On Wharton School of University of Pennsylvania cancelling Gujarat Chief Minister Narendra Modi's keynote address and Adani Group Chairman Gautam Adani, whose group has a big presence in the BJP-ruled state, also deciding not to participate in the programme scheduled later this month, Karat said now the BJP should make it clear whether Modi will represent BJP or Adani group.