Mohapatra, B.K. and Nayak, B.R. (2005): Phosphorus in the manganiferous rocks of Gangpur group. Orissa. Indian Minerals, 58, 223-228.

Mohapatra, B.K. and Nayak, B.R. (2005): Petrology of Mn carbonate-silicate rocks from Gangpur group, India . J. of Asian Earth Science, 25, 773-780.

Mohapatra, B.K., Mishra, P.P., Singh, P.P , Paul, A.K. and Rajeev (2005): Co-rich liuthiophorite in manganese ores of the Bonai-Keonjhar belt. Orissa. J. of Geological Society of India .,66, 407-411.

Nayak, B.R.and Mohapatra, B.K (2005): Morpho-chemistry of hematite in manganese-rich formation of Gangpur group, Orissa. J. of . Geological Society of India , 66, 486-490.

Nayak, B.K and Das, S.K. (2005). Dholkata bauxite deposit on metavolcanic host, Keonjhar district, Orissa , India . Resource Geology, 55, 33-44 (F).

Nayak, B. K., Rajeev, Choudhury, B. and Sahu, P. Geochemical characterization of Baphlimali aluminous ores, Orissa Application of cluster analysis. In: Proceedings of International Conference on Emerging Trends in Mineral Processing and Extractive Metallurgy (ICME-2005) held at IMMT, Bhubaneswar from 13-14 June, 2005, edited by Vibhuti N Misra, S.C. Das and T. Subbaiah. New Delhi , Allied Publishers Pvt. Ltd., 2005, pp. 105-110.

Nayak, B.K., Rajeev, Choudhury, B. and Sahoo, P.R. Geochemical Characterization of Baphlimali Aluminous Ores, Orissa Application of cluster analysis. In: Proceedings of International Conference on Emerging Trends in Mineral Processing and Extractive Metallurgy (ICME-2005) held at IMMT, Bhubaneswar from 13-14 June, 2005, edited by Vibhuti N Misra, S.C. Das and T. Subbaiah.. New Delhi , Allied Publishers Pvt. Ltd., 2005, pp. 105-110.

Mohapatra, B.K. and Mishra, P.P. Influence of mineralo-fabric on upgradtion of low-grade mangnese ore from Bonai-Keonjhar belt, Orissa. In: Proceedings of the International seminar on Mineral Processing Technology (MPT-2006) held at Chennai during March 8-10, 2006. Edited by G. Bhaskar Raju, S. Prabhakar, S. Subba Rao, D. S. Rao and T.V.V. Kumar. New Delhi , Allied Publisher Pvt. Ltd., pp.338.

Rath, B. K. and Nayak, B. K. Geochemistry of post-monsoon soils of Bolani and Barbil, Keonjhar, Orissa - Factor model and its environmental implications. In: National Seminar on Geoscience education and mineral development, Bhubaneswar . Vistas in Geological Research, 5, 28-133, 2006.

Nayak, B.B. Preparation of titanium dioxide electrode, its characterization and evaluation for direct electrolytic reduction to produce titanium. Interactive Meet on Titanium at IMMT, Bhubaneswar , 23-24 Jan., 2006.

Rao, R. B., Ravi Prasad, A., Acharaya, B.C., Das, S.K., Nayak, B.K and. Reddy, P.S.R. Optimisation of spiral concentrator for recovery of total heavy minerals from placer deposit of Kontiagarh, Ganjam District., Orissa. National Seminar on Geo science education and Mineral development, March 2006.