12वीं सदी में पहली उड़ीसा के किस राजा ने खुद को झारखण्ड का राजा घोषित किया ? - Which king of the first Odisha declared himself the king of Jharkhand in the 12th century? - 12th Sadee Me Pehli Odisha Ke Kis Raja ne Khud Ko Jharkhand Ka Raja Ghosit Kiya ? Jharkhand Gk in hindi, इतिहास नरसिहं Dev 2 question answers in hindi pdf Tulsidas questions in hindi, Know About Narsingh Dev Jharkhand Gk online test Jharkhand Gk notes in hindi quiz book Koi नही