“…Uncontrolled arsenic levels have been rising steadily in many countries over a long period of time such as India, Bangladesh, Taiwan, Thailand, Nepal, China, Chile, Argentina, Mexico, Romania and Hungary [10,11]. Asia's worst-hit countries; India and Bangladesh especially affected by the catchment area of Ganga-Meghana-Brahmaputra [4,12,13]. Indian states that are nearby the Ganga basin such as Bihar, West Bengal, Assam, Uttarakhand and Uttar Pradesh are severely affected by groundwater arsenic poisoning [4,8,14].…”