1. Lakshminarayana, C.R., Tripathi, A.K., Pal, S.K., 2021, “Experimental Investigation on Potential Use of Drilling Parameters to Quantify Rock Strength”, International Journal of Geo-Engineering, Vol. 12, No. 1, December, pp. 1 ‒ 15.
2. Pal, S. K., Tripathi, A. K., Panda, S., Palaniappan, S. K., 2021, “Sonar Mapping of Abandoned Water-logged Underground Coal Mine and Backfilling Operation using Underwater Camera”, International Journal of Mining and Mineral Engineering, Vol. 12, No. 3, December, pp. 181 – 194.
3. Lakshminarayana, C.R., Tripathi, A.K., Pal, S.K., 2020, “Prediction of Mechanical Properties of Sedimentary Type Rocks Using Rotary Drilling Parameters”, Geotechnical and Geological Engineering, Vol. 38, No. 5, July – December, pp. 4863 ‒ 4876.
4. Lakshminarayana, C.R., Tripathi, A.K., Pal, S.K., 2020, “Rock Strength Characterization Using Measurement while Drilling Technique”, Indian Geotechnical Journal, Vol. 50, No. 6, December, pp. 994 – 1005.
5. Lakshminarayana, C.R., Tripathi, A.K., Pal, S.K., 2019, “Estimation of Rock Strength Properties Using Selected Mechanical Parameters Obtained During the Rotary Drilling”, Journal of The Institution of Engineers India, Series D, Vol. 100, No. 2, July – December, pp. 177 ‒ 186.
6. Vanapalli, N. R., Ghosh, S. K., Pal, S. K., Tripathi, A. K., 2013, “Studies of Vibrations in the Machine during Drilling”, Mining, Geological and Metallurgical Institute of India (M.G.M.I.) Transactions, Vol. 109, April 2012 – March 2013, pp. 25 – 32.
7. Vanapalli, N. R., Ghosh, S. K., Pal, S. K., Tripathi, A. K., 2012, “Vibration and Acoustic Emission Studies of Rock Samples under Uniaxial Compression and Tension”, Mining, Geological and Metallurgical Institute of India (M.G.M.I.) Transactions, Vol. 108, April 2011 – March 2012, pp. 61 – 70.
8. Tripathi, A. K., Bhattacharya, J., Pal, S. K., 2011, “Reclamation of Disturbed Surface Mine Lands”, Mining, Geological and Metallurgical Institute of India (M.G.M.I.) Transactions, Vol. 107, April 2010 – March 2011, pp. 85 – 94.
9. Pal, S. K., Keshri, A. K., Tripathi, A. K., 2011, “A Study on Correlation between P-Wave Velocity, Number of Joints and Schmidt Hammer Rebound Number”, Mining, Geological and Metallurgical Institute of India (M.G.M.I.) Transactions, Vol. 107, April 2010 – March 2011, pp. 27 – 33.
10. Pal, S. K., Singh, B., Tripathi, A. K., 2010, “Studies on Gas Permeability of Sandstone”, Journal of Mines, Metals and Fuels, Vol. 58, No. 6, June, pp. 168 – 176.