A day after Home Minister Amit Shah left West Bengal, following his two-day high-voltage campaign in the state, election strategist Prashant Kishor on Monday claimed on Twitter that the BJP will struggle to cross the double-digit mark in assembly polls.

Kishor, who has been roped in by TMC supremo Mamata Banerjee to strengthen her party's poll prospects, said that he would quit the microblogging site if the saffron party does any better than what he predicted.