बुधु भगत के नेतृत्व में कोल विद्रोह किस वर्ष हुआ ? - In which year did the Kol rebellion take place under the leadership of Budhu Bhagat? - Budhu Bhagat Ke Netritv Me Coal Vidroh Kis Varsh Hua ? Jharkhand Gk in hindi, इतिहास 1838Ee. question answers in hindi pdf 1835Ee. questions in hindi, Know About 1831 Eesvi. Jharkhand Gk online test Jharkhand Gk notes in hindi quiz book 1832Ee.