Principles of Developmental Psychology

Dr. S. Kumar (born on July 25th, 1954) is working as a Senior Scientist in Botanical Survey of India Dehradun. He has been actively engaged in research in plant taxonomy, floristics and biodiversity conservation. He has contributed ca 100 research papers and popular scientific articles in reputed national and international journals and magazines in English and Hindi. He has botanically explored many regions in Jammy & Kashmir, Sikkim and Haryana and has contributed significantly in Flora of Jammu & Kashmir, Flora of Sikkim and Flora of Haryana. He is co-author of the book on "Flora Indicae Enumeratio: Asteraceae" and contributed in Books on Flora of India Vol. 1 (Berberidaceae) Vol. 13 (Asteraceae) and Vol 22 (Fagaceae) and Flora of Sikkim Vol. 1 He has recently published the books on FFlora of Haryana (Materials), Plant Diversity Along River Ganga and Zingiberaceae of Sikkim. His forthcoming publications include Grasses of Sikkim. Dr. Kumar is a Fellow and Life member of several reputed scientific societies and has chaired sessions in various conferences and symposia.