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Aim: To remove the colour and COD of two reactive dyes namely reactive blue and yellow by Fenton and modified Fenton processes. Materials and Methods: The total number of groups used in this study is two (Control group N = 16 and Experimental group N = 16).The sample size was taken as 16 after being calculated for a pre-test power of 80% with an alpha value of 0.05 in clinical.com. The removal of colour and COD of two reactive dyes by Fenton process and modified fenton process was carried out. Results and Discussion: Colour removal upto 90% and 95% by Fenton and modified Fenton Processes respectively. The best COD removal efficiencies were 65.54 %, and 57.92% in the case of reactive yellow and reactive blue dyes in the Modified Fenton Process respectively. In the modified fenton process steel scrap is replaced instead of FeSO4. Conclusion: Compared to the Fenton process, the modified Fenton process has more percentage of colour and COD removal within the limits of the study.