A toilet mechanism for wheelchair includes a cut-out defined in a seat of the wheel chair that is movable from a first seating position to a second toilet position by a lever. The cut-out is pivotedly coupled with a hollow shaft on a front end of the wheel chair. The cut-out is Iockable in the first position. A C-link positioned on a frame of the wheel chair is angularly rotatable between the first position and second position of the cut-out guides the cutout. A roller positioned on the C-link guides the cut-out from the first position to the second position and vice versa. A plurality of stoppers defined on the frame of the wheel chair for constraining the motion of the C-link.
