CPIM Tripura wishing for Cong victory

Communist party of India has almost been wiped out of the whole country except for kerala.
But ex speaker of Cpim tripura party pabitra kar is confident that the Congress is going to clean swipe in the recently concluded elections in the states of rajasthan and madhya pradesh.
Based on this Mr kar is hopeful that the BJP can be ousted from power in the upcoming 2019 lok sabha election.

Doesnot this prove the secret entate between the cong and CPIM in the state?

And threatens about the existence of bjp party in the state