Mumbai, Oct. 9 -- Stepping up the political counter-offensive against the opposition, Maharashtra BJP President Ravindra Chavan today launched a blistering attack on the Congress party, accusing it of practising opportunistic politics and pointing out its prolonged electoral irrelevance in several states.

Lashing out at the opposition's ongoing protests over alleged electoral irregularities, the SIR voter verification process, and demands for the resignation of Chief Election Commissioner Gyanesh Kumar, Chavan remarked that Congress changes its political colours depending on convenience.

Citing union Home Minister Amit Shah's remarks from a recent Kolkata meeting, he noted that in several states, Congress has failed to secure a single Chi...