The present invention provides pharmaceutical composition comprising pregabalin that is useful for once daily oral dosing. The present invention further relates to pharmaceutical composition comprising pregabalin that is useful for once daily oral dosing comprising pregabalin and on or more water insoluble components. The present invention preferably relates to a gastro-retentive tablet comprising pregabalin and one or more water insoluble component wherein water insoluble component preferably comprises of combination of ethylcellulose and hydrogenated castor oil.