Rajahmundry, May 3: The Praja Rajyam chief, Mr K. Chiranjeevi, will launch his bus tour, demanding that the Centre and state governments expedite the multi-utility Indira Sagar (Polavaram) project at Antarvedi village in East Godavari on May 5; and will continue his tour in several districts until its culmination at a public meeting at Polavaram village in West Godavari on May 19.