The characteristics of unsteady motion of Casson fluid over a wavy surface with magnetic field is studied. The energy and diffusion equations are encompassed with radiation. heat source and thermo diffusion effects. The flow governing equations have been solved using regular perturbation technique. https://www.bekindtopets.com/special-offer-NFL-Miami-Dolphins-Team-Motto-iPhone-11-Pro-Max-Skin-p68856-flash-save/