NMDC Steel LtdNMDC Steel LimitedNSE:NSLNISPsushithengoorNMDC Steel Ltd National Mineral Development Corporation (NMDC), a Navratna Public Sector Enterprise under the Ministry of Steel, Government of India is the single largest producer of iron ore in India. It owns and operates iron ore mines in Chhattisgarh and Karnataka and has its registered office at Hyderabad, Telangana. not expecting more down fall. most probably next RVNL