This present work focuses on the comparative study of conventional slab structure and post-tension flat slab structure. The model used in this study has a square-shaped configuration. The analysis and design of the slab system are done as per IS 456-2000 and IS 1343-2012. Also, for the finite element method, ETABS software is used. Analysis of the slab system is done by the Direct Design Method and Finite Element Method to compare the results of both methods and find out By comparing the result ...