झारखण्ड में ताँबे का कारखाना कहॉ स्थित है ? - Where is the copper factory in Jharkhand located? - Jharkhand Me Tambe Ka Karkhana Kahan Sthit Hai ? Jharkhand Gk in hindi, अर्थव्यवस्था GhatShila question answers in hindi pdf राची questions in hindi, Know About ChakradharPur Jharkhand Gk online test Jharkhand Gk notes in hindi quiz book Inme Se Koi Nahi