Chidambaram Shown Black Flag?

 Some so-called members of the Congress party tried to physically assault the senior congress leader Chidambaram, when he visited Kolkata to appear for a food processing unit source says. The complaint was lodged by senior congress leader Adhir Ranjan Chaudhary. Source says probably Chidambaram without going into detail about the firm in a short presentation agreed to appear and had to meet with a lot of resistance from local congressmen?