Quoting statistics, Chidambaram, addressing the members of Calcutta Chamber of Commerce, said 1112 people were also injured in the inter-party clashes which was "a matter of concern and it should come to an end".
He said there should be a democratic way to protest and not violence. "Before we ask Maoists to abjure violence, we must follow the same."
He also urged the business communities to take active part in strengthening democracy in the country.
