younger brother's wife -- maradalu
elder brother's wife ---vadina
Brother
aatha
Mamayya
what i call my father elder brother's wife
Alludu
Pinni is known in Telugu as "Father's younger brother's wife OR Mother's younger sister"
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".
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".