Senior Congress leader Jairam Ramesh on September 18 asserted that non-BJP parties that believe Opposition unity without the grand old party as the fulcrum is possible are living in a "fool's paradise".
Without naming any outfit, he said many regional parties have back-stabbed the grand old party in the past to serve their own self-interests, and that such parties should stop using the Congress as a punching bag.
"There cannot be any Opposition unity without the Congress as its fulcrum. That is fundamental.