“…48,49 In Patancheru industrial area, Medak (India), the concentrations of TDS, BOD, COD, copper, arsenic, selenium, fluoride and iron were recorded 5 to 10 times higher than maximum permissible limit 50,51 in waste water of inlet and outlet of a septic tank in pharmaceutical industrial area of Bangalore in India. However, several researches have focused on physicochemical characteristics and heavy metals analysis of pharmaceutical effluents in various parts of India and are summarized in Tables 4 48,52-54 and 5. 49,52,55,56…”