The present disclosure relates to an oro-dispersible tablet comprising: at least one calcium containing compound； at least one binder； at least one disintegrant； and at least one pharmaceutically acceptable excipient. The tablet is characterized in that, the ratio of the binder to the calcium containing compound ranges between 1:20 and 1:25； the ratio of the disintegrant to the calcium containing compound ranges between 1:2 and 1:4； and the ratio of the binder to the disintegrant ranges between 1:6 and 1:11. The present disclosure relates to a process for preparing the oro-dispersible tablet.
