This research paper reports the utilization of gum xanthan-grafted-polyacrylic acid and Fe3O4magneticnanoparticles based nanocomposite hydrogel (NCH) for the highly effective adsorption of methyl violet(MV) from aqueous solution. Synthesized NCH was characterized using various techniques, such as FTIR,XRD, SEM-EDS, TEM and BET. Adsorption behavior of NCH was studied for the adsorption of MV andit was found to remove 99% dye from the solution. Adsorption process followed Langmuir isothermmodel (qe= 642 mg/g) and pseudo-second-order kinetics model. Thermodynamic studies suggested thatthe adsorption process was endothermic and spontaneous. Moreover, the adsorbent was successfullyutilized for successive five cycles of adsorption-desorption.