A Tirupati-based voluntary organization today filed a petition in the Supreme Court, seeking its intervention to stop holding of a public meeting by actor-turned politician Chiranjeevi in pilgrim town Tirupati on August 26th. The petition alleged that as per the Environmental Protection Act, arranging of public meetings is not allowed at the proposed venue, Avilala cheruvu in the town. In this connection, advocate from Chiranjeevi had filed a counter petition. The honorable court is expected to take up hearing in this matter on Thursday, reports said.