Lecture Series On Probability And Random Variables By Prof. M. Chakraborty, Department Of Electronics And Electrical Communication Engineering, IIT,kharagpur. For More Details On NPTEL Visit nptel.iitm.ac.in - NPTEL Communication Systems Engineering Free Video Lectures, Courses, Tutorials, Classes, Clips | Communication Engineering Lectures from MIT, Stanford | Communication Engineering Video Classes from IIT Delhi, Mumbai, Kharagpur, Kanpur, Chennai etc.