Lecture Series on Engineering Geology by Prof. Debasis Roy, Department of Civil Engineering, IIT,Kharagpur. For more details on NPTEL visit nptel.iitm.ac.in. Lecture Title and Non - Intrusive Methods for Subsurface Exploration - Engineering Geology Video Lectures, Engineering Geology Video Tutorials, Civil Engineering Video Lectures, NPTEL Video Lectures, IIT Video Lectures, NPTEL Civil Engineering Videos, IIT Civil Engineering Video Courses