The study of flows through porous medium has been the topic of considerable research activity by both theoretical and experimental investigators for the last one and half centuries. The subject of flows through porous medium assumed importance because of its interesting many applications in the diverse fields of science, engineering and technology. The classical theory of flows through porous media has been extensively reported in several treaties. The studies are initiated in the middle of the nineteenth century by Henry Philibest Graspard Darcy, while investigating the flow of water...