Mukul Roy, who had joined the BJP with much fanfare, has returned to Trinamool Congress. Bengal CM Mamata Banerjee welcomed him ‘home’ and said he is not a traitor like the others. What remains to be seen now is whether the return of the prodigal son will trigger exodus out of BJP. Roy has said that in the present circumstances in Bengal, no one will stay in BJP. Does this mean a ‘reverse migration’ has begun in Bengal post the polls? Bengal Chief Minister is confident ‘more will come’