Yona Smelters to set up ferro alloy plant at Bobbili in Vizianagaram district of Andhra Pradesh. The project involves expanding Ferro Alloy Plant [Silico Manganese (4,356 MTPA) & Ferro Manganese (6,534 MTPA). Land requirement for the project is around 5 acres. The total project cost is estimated at Rs. 190 million.