bou means mother in odia,nana (for brahmin people) bapa for others to father in odia
You can call father “ପିତା” (pita) in Oriya.
Bapa maa
Father is called "ପିତା" or "ବାପୁ" in Oriya language.
Mother=Bou
bapa
you call god father and mother tresa is a saint
You can call her by her first name or if your comfortable some son-in-laws call them mom.
Chheli
She is your Grandmother.
Grandmother
grandfather
mother/father in law