1. Bala, R.J., Govinda, R.M., Murthy, C.S.N. "Reliability analysis and failure rate evaluation of load haul dump machines using Weibull distribution analysis". Mathematical Modelling of Engineering Problems. 2018. 5(2), pp. 116-122
2. Rajesh Kumar B., Vardhan, H., Govindaraj, M. and Badal Yadav (2010); “A field investigation on the study of relationship between universal compressive strength of the rock and the sound levels produced during drilling ”; Proceedings of the International conference on “Frontiers in Mechanical Engineering” during 20th and 22nd May, 2010; pp. 228-233.
3. Rajesh Kumar, B., Vardhan, H. and Govindaraj, M. ( 2011): “Prediction of uniaxial compressive strength, tensile strength and porosity of sedimentary rocks using sound level produced during rotary drilling.” Rock Mechanics and Rock Engineering; 2011; Springer; Vol.44(5); pp.613-620. (Impact Factor: 0.990; H Index: 22)
4. Rajesh Kumar, B., Vardhan, H. and Govindaraj, M. (2011): “ A new approach for estimation of properties of metamorphic rocks.” International Journal of Mining and Mineral Engineering; 2011; Inderscience; Vol.3(2); pp. 109-123.
5. Rajesh Kumar, B., Vardhan, H. and Govindaraj, M. (2011): “ Sound level produced during rock drilling vis-à-vis rock properties”. Engineering Geology; 2011; Elsevier; Vol.123(4); pp. 333-337. (Five Year Impact Factor: 1.892; H Index: 48).
6. Rajesh Kumar, B., Vardhan, H. and Govindaraj, M. (2012): “Artificial neural network model for prediction of rock properties from sound level produced during drilling”. Geomechanics and Geoengineering: An International Journal; 2012; Taylor and Francis; DOI:10.1080/17486025.2012.661469 (H Index: 6).