In English, your father's sister's daughter is your first cousin.
cousin
sister friend
Aunty and Uncle.
Aunt
Mom
You would call your father's sister "பெரிய அந்தை" (periya anthai) in Tamil.
In Hindi, you would call your mother's sister "mausi" or "masi".
philapple Uncle
Fathers: Mothers: Mum, ma'am, mama Fathers: Pa, Pop, Father, Papa
Our cousins are our mothers sisters son :)
Yes, you can call me in Bengali.
His relationship to you is brother-in-law.