R. Singh, M. K. Singh, S. Ram, and A. K. Singh,"Automation and automatic measurement for mining: CCD-based approach", Minetech, vol.26, no.6, pp.37-45, Ranchi : Technical Publications Wing, Central Mine Planning & Design Institute 2005       Article

R. Singh, S. Ram, A. K. Singh, and J. Buragohain,"Underground extraction of contiguous coal seams/sections consisting thin parting: a case study", Journal of South African Institute of Mining and Metallurgy, vol.104(1), pp.17-27, SAIMM 2004       Article

P. K. Mandal, A., S. Ram, A. Singh, N. Kumar, and R. Singh,"Strata behaviour investigations of India’s first depillaring face with continuous miner and shuttle car", Minetech, vol.25, no.6, pp.3-12, Ranchi : Technical Publications Wing, Central Mine Planning & Design Institute 2004       Article

P. K. Mandal, A., S. Ram, A. Singh, and R. Singh,"Depillaring of a thick coal seam using cable bolts under shallow depth cover- A case study", The Indian Mining and Engineering Journal, vol.43, no.7, pp.11-18, Bombay, India : Mining Engineers Association of India 2004       Article