Congress spokesperson and professor Gourav Vallabh hit out at Bharatiya Janata Party (BJP) star campaigner in Assam, Himanta Biswa Sarma, who allegedly made threatening remarks against Bodoland People's Front (BPF) chief Hagrama Mohilary and was banned from all modes of campaigning for 24 hours this evening after the minister tendered an "unconditional apology" and assured the poll panel that he will abide by the provisions of the model code. “How dare he threaten someone during poll season,” said Gourav Vallabh. For more, watch the full video.