* Kaka (काका) - This is the most common and general term for uncle, used for your father's brother.
* Mama (मामा) - This term is used for your mother's brother.
You can also use Bajhai (बजाइ) for your maternal uncle who is older than your mother.
It is important to note that the use of "Kaka" and "Mama" can vary slightly depending on the region and family traditions.