Vice President M Venkaiah Naidu laid foundation stone to develop Muktyal to Vijayawada waterway stretch on River Krishna as part of National Waterway 4 at Amaravati in Andhra Pradesh. The 82-km inland waterway stretch is Phase-1 of National Waterway-4 developed under Sagar Mala project. It will be used mainly for transportation of cement and construction material for new capital city Amaravati.