Union Minister of State for Home Nisith Pramanik's convoy faced a hail of stones when he went to West Bengal's Cooch Behar. Mr Pramanik alleged Trinamool Congress supporters led the attack. The police had fire tear gas shells for crowd control. Mr Pramanik is the MP from Cooch Behar. "If a minister is not safe, you can imagine the plight of the common man. The incident shows the state of democracy in Bengal," he said.