VCK blames PMK for unrest 17th November 2012 11:20 AM Squarely blaming the Pattali Makkal Katchi ( PMK ) for orchestrating the violence against Dalits in three villages in Dharmapuri , VCK leader Thol Thirumavalavan on Friday demanded a CBI investigation into the matter and action against those openly instigating caste violence on public platforms .