tamma
In Kannada, we would say Sahodhara (general) or Anna (elder brother) or Tamma (younger brother).
In Kannada Language Tamma means younger brother.
In Malayalam, you call a younger brother "Chettan."
You would call your husband's younger brother a brother-in-law.
Sister in Kannada: SahodhariElder Sister: AkkaYounger Sister: Thangi
In Kannada, you can call sister-in-law as "ಅತ್ತೆ" (atte) if she is your brother's wife, and "ಸಹೋದರಿ" (sahodari) if she is your sister's husband's wife.
In Hindi, you would call your father's younger brother "chacha."
Brother in-law
The wife of your brother (younger or older than you) is your sister-in-law.
little brother
Uncle
You can call your elder brother as 'ANNA' and your younger brother as 'THAMBI'