Rock mass classification; Physico-mechanical properties of rocks; laboratory and field tests; Failure criteria for rock and rock masses; initial stresses in rocks and their measurement; Mechanics of Hydraulic fracturing; planes of weakness in rocks; rock fractures and fractured rock masses; the use of stereographic projection; and application of Geo-mechanical properties in blasting of rocks.Introduction to drilling technology and methods, types of drilling operations-exploration, appraisal, pro