1857 के विद्रोह का प्रारम्भ रामगढ व हजारीबाग में कब हुआ ? - When did the revolt of 1857 begin in Ramgarh and Hazaribagh? - 1857 Ke Vidroh Ka Prarambh Ramgadh Wa Hajaribaag Me Kab Hua ? Jharkhand Gk in hindi, इतिहास 15 जुन 1857 question answers in hindi pdf 16 जुन 1857 questions in hindi, Know About 30 July 1857 Jharkhand Gk online test Jharkhand Gk notes in hindi quiz book 17 जुन 1857