It provides safe disposal of arsenic contaminated sludge particularly obtained from arsenic removal water- treatment plants, Minimizes potential of arsenic to leach back to ground and mix with surface under-ground water through solidification/stabilization using portland cement, Minimizes the effect of arsenic poisoning in human body i.e arsenicosis, causes due to drinking of arsenic-rich water results in various health effects including skin cancer, diseases of the blood vessels of the legs and feet etc., Provides technically and economically efficient method towards safe landfill of arsenic contaminated water treatment sludge, Provides cost-effective, environmentally safe and easy to handle method of arsenic solidification / stabilization, Provides a long term, permanent treatment of arsenic contaminated sludge management, Manufactures usable construction materials like pavement blocks, concrete blocks etc, and consuming significant quantity of arsenic sludge for field application, Generation of employment through implementation of this new process for production of commercial items in different villages/municipalities, Application: Environmental (Clean Tech.) - Water treatment.