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Fenton Oxidation process was used to treat the pharmaceutical sludge having the COD value of 118, 400 mg/L for the safe disposal. By varying the ratio of ferrous to hydrogen peroxide for different molar ratio (0.1 M, 0.2 M, 0.3 M, 0.35 M, 0.4 M) of Fenton’s reagent the pharmaceutical sludge was treated and COD reductions were calculated and optimum ratio was found out. Sludge was also treated by physical treatment by varying the pH and temperature and COD reductions were calculated and the optimum point was found out. The untreated and treated sludge was subjected to GC-MS for the quantitative analysis of non-biodegradable compounds. Scanning Electron Microscope image acquistation and elemental analysis were also studied for both treated and untreated samples. The purpose of the study is to find the suitable end-use method for reusing the treated and oxidized products.