Who is playing emotional card over Cooch Behar's firing?

After a ban of 24 hours by the Election Commission, West Bengal Chief Minister Mamata Banerjee met the families of those killed in the Sitalkuchi, Cooch Behar violence. She said that People will give a verdict for this crime. Now BJP is saying Mamata Banerjee is doing politics over violence. Why Cooch Behar became the center of the debate, Watch this video to know.