Mahadevi Industries Mahadevi Industires has been a renowned name due to its quality and timely delievery of best finished valves in Eastern India for a decade now. With the growing demand of our Valve in both public and private sector we are aiming to increase production of all type CI, SG and Steel casting Valves from the starting of 2012. With the expansion plan in our mind we are keeping major focus on supplying machined steel castings and nickel alloy castings for applications which require proven quality and full traceability.