झारखण्ड क्षेत्र में ईसाईयों का प्रवेश कब हुआ ? - When did Christians enter the Jharkhand region? - Jharkhand Shetra Me Isaiyon Ka Pravesh Kab Hua ? Jharkhand Gk in hindi, इतिहास 1840Ee. question answers in hindi pdf 1785Ee. questions in hindi, Know About 1845 Ee. Jharkhand Gk online test Jharkhand Gk notes in hindi quiz book 1847Ee.