1. साला (Saala): This is the most common and widely used term for brother-in-law, referring to the brother of your spouse.
2. जीजा (Jijaa): This term specifically refers to your wife's brother.
3. भाया (Bhayaa): This term is less common and can refer to either your wife's brother or your husband's brother.
4. देवर (Devar): This term refers to your husband's younger brother.
5. जेठ (Jeth): This term refers to your husband's older brother.
The appropriate term to use depends on the specific relationship and the context.