Chaulya, S.K and Prasad, G.M. and Singh, Ajay Kumar (2020) Underground coal gasification techniques for different geo-mining conditions. International Journal of Oil Gas and Coal Technology, 23 (2). pp. 199-217. ISSN 1753-3309

Mohanty, Debadutta and Chattaraj, Sujoy and Singh, Ajay Kumar (2018) Influence of coal composition and maturity on methane storage capacity of coals of Raniganj Coalfield, india. International Journal of Coal Geology , 196. pp. 1-18. ISSN 0166-5162

Singh, Ajay Kumar and Mohanty, Debadutta (2017) Characterization of lignite for underground coal gasification in India. Energy Sources, Part A, 39 (16). pp. 1762-1770. ISSN 1556-7036

Singh, Ajay Kumar (2017) Physicochemical study of coal for CBM extraction extraction in Raniganj coal field, India. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 39 (11). pp. 1182-1189. ISSN 1556-7036

Singh, Ajay Kumar (2017) Prospective evaluation of coal bed methane in Raniganj coal field India. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 39 (9). pp. 946-954. ISSN 1556-7036

Singh, Ajay Kumar (2017) Source rock evaluation of the Gondwana coals in Raniganj coalfield, India. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 39 (13). pp. 1395-1402. ISSN 1556-7036

Singh, Ajay Kumar and Kumar, Jaywardhan (2016) Fugitive Methane emissions from Indian Coal Mining and handling activities: estimates, mitigation and opportunities for its utilization to generate clean energy. Energy Procedia, 90. pp. 336-348.

Sharma, Sadanand and Kumar, Ritesh and Saini, Manoj Kumar and Singh, Ajay Kumar (2014) Coal Bed Methane a Green and Clean Energy Source for Country's Development: The Challenges Ahead. In: Environment: Pollution & Protection : National Conference , 30 January - 1 February 2014, National Institute of Technology Durgapur.