Dr. M. Jamil Ahmad is Professor in the Department of Mechanical Engineering, Zakir Husain College of Engineering & Technology, Aligarh Muslim University, Aligarh, (U.P.), India. He holds Ph.D. degree from Indian Institute of Technology Delhi and Masters in Thermal Engineering from Aligarh Muslim University. He has 25 years of teaching experience and has more than 50 publications to his credit in national/international journals and conferences. His research interest is in the area of solar radiation modeling and day lighting. His work has been published in various journals including International Journal of Energy Research, International Journal of Ambient Energy, International Journal of Energy and Environment and International Journal of Engineering Science and Technology. He has taught a number of courses such as Thermodynamics, Applied Thermodynamics, Advanced Thermodynamics, Refrigeration and Air Conditioning, Heat and Mass Transfer, Internal Combustion Engines, Engineering Mechanics, Propulsion Technology etc.