Nagpur, Sep 21 (ANI): As the UP government issued an order that prevented 'BJP politicians' to visit the riot-hit Muzaffarnagar and still the Congress ministers are allowed to visit the area, BJP leader Prakash Javadekar said that the leaders of Samajwadi party are responsible for Muzaffarnagar riots. He also said that there has be a proper investigation and without investigation if any arrest is being made then it is a political game plan.