Gopal Pandey adds 1 ml of sulphuric acid to the water sample treated with manganese sulphate and iodine alkaline acid. Benares, India.
		Keywords: 
		
		Mahant-Ji, The Saviour of the Ganges, Asia, Patricio Estay, India, Benares, Gopal Pandey, manganese sulphate, iodine alkaline acid, laboratory, test tube, Ganges, Ganges river, river, science, religion, Sankat Mochan foundation, equipment