“…In the history of mankind, it has been reported that millions of Bangladeshi peoples suffering from the poison of As in ground water (Kumar & Shah, 2006). In the literature, various countries of world such as Australia, USA, Argentina, Canada, India, Bengal, Mongolia, China as well as Vietnam have highlighted diseases caused by As contamination in water (Jakhrani, Malik, Sahito, & Jakhrani, 2011;Mukherjee & Fryar, 2008). People of Bengal in both parts of India and Bangladesh are exposed to As level up to 4 × 10 4 μg/ (Kumar & Shah, 2006).…”