* Mādari (مادری) for mother's mother (maternal grandmother)
* Mādari (مادری) can also be used for father's mother (paternal grandmother), but it's more formal.
* Mādari (مادری) is typically used to address your grandma respectfully.
* Nānī (نانی) for father's mother (paternal grandmother)
* Nānī (نانی) is considered a more informal and friendly way to address your grandma.
The choice of which word to use depends on the context and your personal relationship with your grandmother.