Kumar had graduated in mining engineering (B.Tech-Mining) from Indian School of Mines, Dhanbad in 1980. He joined Central Coalfields Ltd (CCL) as junior executive trainee the same year.
Kumar had graduated in mining engineering (B.Tech-Mining) from Indian School of Mines, Dhanbad in 1980. He joined Central Coalfields Ltd (CCL) as junior executive trainee the same year.