Abstract: Water dispersible compressed tablets and a process for preparing the same. The tablet comprising about 0.1 to 50% w/w of lamotrigine or its pharmaceutically acceptable salts, solvates, hydrates or polymorphs, about 5 to about 50% w/w of a water-soluble diluent(s), about 15 to about 70% w/w of a water swellable diluent(s), optionally one or more pharmaceutically acceptable adjuvants, wherein the ratio of water-soluble diluent(s) to water swellable diluents(s) is from about 0.6 to about 0.9 and said composition is essentially free of disintegrant, superdisintegrant and swellable clay.