सरकारी स्तर पर पृथक झारखण्ड हेतु सर्वप्रथम कार्यवाही कब की गई ? - When was the first action taken for separate Jharkhand at the government level? - Sarakari Str Par Prithak Jharkhand Hetu Sarwapratham Karyawahi Kab Ki Gayi ? Jharkhand Gk in hindi, इतिहास 1921AC. question answers in hindi pdf 1927Ee. questions in hindi, Know About 1928 Ee. Jharkhand Gk online test Jharkhand Gk notes in hindi quiz book 1929ई.