झारखण्ड के किस शहर को छोटानागपुर की रानी कहा जाता है ? - Which city of Jharkhand is called the queen of Chotanagpur? - Jharkhand Ke Kis Shahar Ko ChhotaNagpur Ki Rani Kahaa Jata Hai ? Jharkhand Gk in hindi, प्रमुख व्यक्तित्व एवं आन्दोलन Bokro question answers in hindi pdf Rajappa questions in hindi, Know About Dhanbad Jharkhand Gk online test Jharkhand Gk notes in hindi quiz book नेतराहट