खालीलपैकी कोणता पर्याय भारतीय रेल्वे झोन दर्शवत नाही? A. SECR B. ECoR C. NWR D. EWR

SECR (South East Central), ECoR (East Coast) and NWR (North Western) are zones of Indian Railways. There is no 'EWR' zone.