Days ahead of the Aam Aadmi Party's mega political conclave in Assam's Guwahati, Chief Minister Himanta Biswa Sarma has hit out at his Delhi counterpart Arvind Kejriwal. Mr Sarma has challenged Mr Kejriwal to come to Assam and say what he said in the Delhi assembly recently. Mr Kejriwal had reportedly said in the Delhi assembly that there are cases filed against Mr Sarma in other states. "Arvind Kejriwal is a coward who is hiding behind the veil of immunity in Delhi assembly and uttering white lies," Mr Sarma told reporters. "Let him say there's a corruption case pending against me outside the assembly premises and I will sue him in the same manner I did with his colleague Manish Sisodia," the Assam Chief Minister told reporters in Guwahati. Mr Kejriwal along with his Punjab counterpart Bhagwant Mann is scheduled to attend their first political rally in Assam on April 2. "It's not important where Arvind Kejriwal has said, important is that...