Carrying Out Pressing Work For Formation Of Top And Bottom Dish End Of 4 Nos Pressure Vessel At Out Side Of Refinery Premises For Our Nalcotankageproject Site In Connection With 5Th Stream Alumina Refinery At Nalco Damanjodi Odisha Bnr/71122/Tankage/ Nalco-Damanjodi/ Dish-End/Nit/24