Expression Of Interest (Eoi) Invited For Selection Of Back-End Partner Through Pre-Tender Tie-Up For “Design, Supply, Erection / Installation & Commissioning Of New Nac (Nitric Acid Concentration) And Sac (Sulphuric Acid Concentration) Plant Alongwith Associated Civil Work On Turnkey Basis Which Can Run As An Integrated Unit And As An Independent Unit” For Ordnance Factory, Bhandara