The present book entitled "Hydrogeochemistry in Chhoti Gandak River basin, Ganga plain" comprises hydrogeochemical studies of Chhoti Gandak River, a tributary of Ghaghara River in Uttar Pradesh state of India. This book is basically a part of research works carried out during the Ph.D. of Dr. Vikram Bhardwaj from Centre of Advanced Study in Geology, University of Lucknow, India. This book has several basic and logical conclusions regarding the Hydrogeochemistry of Chhoti Gandak River basin, also including the major ion chemistry during the different existing seasons (pre-monsoon, monsoon, and...