By picking up the telephone and dialing his phone number.
Brother inlaw
what i call my father elder brother's wife
Your wife's brother is your brother-in-law.
Your Brother in law's wife
Your wife's brother would be called "brother-in-law".
younger brother's wife -- maradalu elder brother's wife ---vadina
The brother of your wife's cousin is also her cousin. You can call either of them "my wife's cousin." You are not related to them.
what i call my father elder brother's wife
Your wife's brother would be called "brother-in-law".
what i call my father elder brother's wife
Brother-in-law
Your brother's wife is your sister-in-law.
Your wife's brother is your brother-in-law.