In 1987, he joined Central Institute of Mining and Fuel Research as a scientist, and joined Indian School of Mines as Assistant Professor in 1992.
Later he joined Indian School of Mines as Assistant Professor in 1992. In 1987, he joined Central Institute of Mining and Fuel Research as a scientist.
In 1987, he joined Central Institute of Mining and Fuel Research as a scientist. Later he joined Indian School of Mines as Assistant Professor in 1992.
In 1987, he joined Central Institute of Mining and Fuel Research as a scientist. Later he joined Indian School of Mines as Assistant Professor in 1992.