The CBI has announced a cash reward of up to one lakh rupees for providing any information that could lead to identification or arrest of perpetrators of the Assam violence.

CBI spokesperson Dharini Mishra said people coming forward with any information, photograph or audio-video clip which could lead to identification or arrest of miscreants involved in riots will be given a cash reward of up to one lakh rupees. People can give information on special helpline telephone numbers 08811099997 and 08811099996 and their identity will be kept secret.

CBI sources said, a team of special crime unit is camping in Assam to probe the violence. The team working under two DIGs, will probe seven violence cases registered by it in three districts of lower Assam — Kokrajhar, Chirang and Dhubri.

Some video clippings, which are belived to be of an ethnic attack on a hostel at Gossaigaon in Kokrajhar, have been recovered. The clashes between Bodos and immigrants have left at least 77 people dead and more than four lakh homeless.