Both Anna and chettan are used for older brother. Younger brother is aniyan.
You say "ചേട്ടന്" (chettan) to refer to an older brother and "അച്ഛന്" (achchan) to refer to a younger brother in Malayalam.
In Malayalam, brother-in-law is known as "അനുരാഗന്" (anuraagan).
brother= sahodaran( not commonly used in spoken malayalam) Elder brother = chettan younger brother = aniyan
In Filipino, older brother is translated as "kuya".
In Russian, "older brother" is said as "старший брат" (starshiy brat).
You say "ചേട്ടന്" (chettan) to refer to an older brother and "അച്ഛന്" (achchan) to refer to a younger brother in Malayalam.
In Malayalam, brother-in-law is known as "അനുരാഗന്" (anuraagan).
"Kuya" is older brother.
brother= sahodaran( not commonly used in spoken malayalam) Elder brother = chettan younger brother = aniyan
In Filipino, older brother is translated as "kuya".
In Russian, "older brother" is said as "старший брат" (starshiy brat).
You would say "അവന് എന്റെ ചേട്ടാണ്" (avan ente chettan).
In Hindi, uncle for older brother is called "चाचा" (chacha).
The term for older brother in Punjabi is "bade bhai" (ਬੜੇ ਭਾਈ).
In Malayalam, elder brother is called "ചേട്ടന്" (chettan).
In Malayalam, you call a younger brother "Chettan."
In Hawaiian, "brother" is translated as "kaikuaʻana" for an older brother and "kaikaina" for a younger brother.