You would refer to your younger brother's wife as "bhabhi" in Hindi.
'Wife' in Hindi is called "पत्नी" (patni).
The elder brother's wife is called "Bhabhi" in Hindi.
In Hindi, a man would refer to his wife's second husband as "jeth" (जेठ).
In Hindi, you would refer to your wife's sister's husband as "बड़े भाबी" (bade bhaabi).
The word for wife in Hindi is "पत्नी" (patni).
We call "Mami" to moms brother's wife.
'Wife' in Hindi is called "पत्नी" (patni).
The elder brother's wife is called "Bhabhi" in Hindi.
The wife of your brother (younger or older than you) is your sister-in-law.
Your younger brother's wife's sister's daughter would be your son's cousin.
In the English language there is no difference between the wife of an elder brother and the wife of a younger brother or of a twin brother. The wife of any brother is your sister-in-law. If you are actually talking to her, however you should just call her by her name. Nicknames are fine too.
In Hindi, a man would refer to his wife's second husband as "jeth" (जेठ).
A hoe.
In Hindi, you would refer to your wife's sister's husband as "बड़े भाबी" (bade bhaabi).
Brother in-law
aunt
younger brother's wife -- maradalu elder brother's wife ---vadina