A case was registered under section 353 (assault or criminal force to deter public servant from discharge of his duty) against Rao.
He obstructed the police from performing their duties at GAME Park foundation stone-laying ceremony by Chief Minister N Kiran Kumar Reddy here on January 8, Raidurgam Inspector A Bala Koti said.
A group of TRS activists led by party MLAs Harish Rao and others were taken into preventive custody on January 8 for trying to stage a protest during the event.