You call your husband's senior brother simply a brother in-law. There is no difference whether he is a senior brother or a younger brother he remains your brother in-law.
brother in law or their name
Sister-in-Law
what i call my father elder brother's wife
You can call your elder brother as 'ANNA' and your younger brother as 'THAMBI'
Your brother would call your husbands sister by her first name. Or, "my (sibling's) sister in law.
You would call your husband's younger brother a brother-in-law.
கொழுந்தனார் (kozhundhanaar) husband's (usually elder) brother.
I will call her niece.
Your brother's wife is your sister-in-law.
brother in law or their name
Annan
what i call my father elder brother's wife
what i call my father elder brother's wife