P. Sharma, A. Kumar, N. Shams, A. K. Verma, D. Kumar, A. K. Singh, and S. Ram,"Parametric study to design competent irregular shaped remnants in mechanised depillaring", Arabian Journal of Geosciences, vol.14, pp.247, Springer 2021, 10.1007/s12517-021-06555-z       Article

S. Ram, A. K. Singh, R. Kumar, A. Kumar, N. Kumar, P. Waclawik, A. Gautam, and M. Raja,"Design of rock bolt-based goaf edge support for conventional depillaring with stowing", Arabian Journal of Geosciences, vol.14, no.2164, Springer 2021, 10.1007/s12517-021-08379-3       Article

L. Gong, P. Waclawik, K. Soucek, M. Vavro, Jan. Nemcik, S. Ram, and R. Kukutsch,"Numerical modelling on the stability of an underground research facility excavation in Czech Republic", in PROCEEDINGS OF THE 2021 RESOURCE OPERATORS CONFERENCE, pp.329-348, The University Of Wollongong Printery, University of Southern Queensland, Springfield Campus, Springfield Lakes, Australia 2021       Inproceedings

A. Kumar, D. Kumar, A. K. Singh, S. Ram, and R. Kumar,"Development of empirical model for strength estimation of irregular-shaped-heightened-rib/snook for mechanised depillaring", International Journal of Rock Mechanics and Mining Sciences, vol.148, no.104969, Elsevier 2021, 10.1016/j.ijrmms.2021.104969       Article

L. Gong, K. Soucek, P. Waclawik, V. Martin, L. Stas, Jan. Nemcik, and S. Ram,"Modelling of sensitivity of underground space stability to the in situ stress uncertainties: case study at the Bukov underground research facility phase II (Rozna mine, Czechia)", Acta Geodynamica et Geomaterialia, vol.18, no.3(203), pp.319-334, Institute of Rock Structures and Mechanics, Czech Academy of Sciences, June 2021, 10.13168/AGG.2021.0022       Article

A. K. Singh, A. Kumar, S. Ram, D. Kumar, R. Kumar, R. Singh, and M. Raja,"Design of wide stall method of pillar extraction using continuous miner in a panel lying below Dagdowa village: A case study", MGMI Transactions, vol.117, pp.50-61, Lalchand Roy & Co. Pvt. Ltd., Kolkata, March 2021       Article

A. K. Singh, A. Kumar, D. Kumar, R. Singh, R. Kumar, S. Ram, and A. K. Singh,"Coal Pillar Extraction Under Weak Roof", Mining, Metallurgy & Exploration, vol.37, pp.1451–1459, Springer 2020, 10.1007/s42461-020-00277-8       Article

A. Kumar, D. Kumar, A. K. Singh, S. Ram, R. Kumar, M. Raja, and A. K. Singh,"Developments made for mechanised extraction of locked-up coal pillars in Indian geomining conditions", Mining Techniques - Past, Present and Future Publisher: Intech Open, ch.2, pp.176, IntechOpen 2020, 10.5772/intechopen.93636       Inbook

A. Kumar, P. Waclawik, R. Singh, S. Ram, and J. Korbel,"Performance of a coal pillar at deeper cover: Field and simulation studies", International Journal of Rock Mechanics and Mining Sciences, vol.113, pp.322-332, Elsevier 2019, 10.1016/j.ijrmms.2018.10.006       Article

A. Gautam, A. Kumar, D. Kumar, A. K. Singh, S. Ram, and R. Kumar,"Roof sagging limit in an early warning system for safe coal pillar extraction", International Journal of Rock Mechanics and Mining Sciences, vol.123, pp.104131, Elsevier 2019, 10.1016/j.ijrmms.2019.104131       Article