The objective of this paper is to study the seismic behavior of different types of slab systems in various seismic zones, considering the varying number of stories. The paper deals with the four types of slab system i.e. Conventional beam slab system, Flat plate system, Flat slab with drop system, and Ribbed slab system. The seismic behavior of these slab systems is studied by modelling G+6, G+9 & G+12 multi-story structure in ETABS software package. The study comprises of comparison of story displacement and story shear. © IAEME Publication.