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Textile, paper, plastic and paint industries discharge large amount of waste water containing dyes. Dyes are stable to light, non-biodegradable and difficult to degenerate hence they should be removed before discharging the effluents into the environment to diminish health damage and demolition of the environment. The existing work establishes the use of acid treated Clitoria ternatea leaves powder (ATCTLP) for the removal of methylene blue (M.B.) dye from its aqueous solution. For this purpose, batch adsorption process was used. The study revealed that maximum removal of the M.B. dye (5 mg L-1), was found to be 90.86 % at pH 7, contact time 60 min, adsorbent dose 0.02 g and particle size 105μm. The adsorbent was characterized using FESEM, EDX, FTIR, X-RD techniques before and after adsorption which clearly indicates effective adsorption of dye on it. The studied adsorbent is cost effective and can be applied for effluent treatment from dye industry.