Penulis: D. K. Pandey

Dr. Gurdeep R. Chhatwal obtained his M.Sc. degree from University of Roorkee and his Ph.D. degree from University of Delhi. Presently he is working as a reader and has over 20years experience of teaching undergraduate, postgraduate and agriculture students of Delhi University, Meerut University and Indian Agriculture Research Institute, New Delhi. He has published three dozen books from reputed publishers including Himalaya Publishing House, Bombay, Tata Mcgraw Hills, New Delhi Allied Publishers, New Delhi and C.B.S. Delhi. He has published more than30 research papers in international Scientific Journals of repute. He is honorary adviser to monthly magazine Junior Science Refresher” published by Bright Carrier Institute, Delhi. He is also an active member of advisory board for Institute of Management and Computer Science, Delhi.