Ajeet SinghAjeet Singh was Professor and Head in the Department of Mechanical Engineering, Motilal Nehru National Institute of Technology (MNNIT), Allahabad. He has more than three decades of teaching experience at undergraduate and graduate level. He had taugh courses including machine design, I.C. engines, tribology, and computer aided design and engineering processes. He has published several papers in national and international journals. He has published three textbooks including Working with AutoCAD 2000 (2002), Machine Drawing includes AutoCAD 2005, 1st edition (2005) and Machine Drawing includes AutoCAD 2010, 2nd edition (2012). Read More Read Less