In Tamil, you would say "உங்கள் மேம்பட்டியை வாழ்த்துக்கள்" (uṅkaḷ mēmbaṭṭiyai vāḻttukkaḷ) to congratulate someone on their promotion.
உங்களுக்கு டைர்வர் உடையுற்றது மகிழ்ச்சி! (Congrats on getting your driver's license!)
congratulations on.
No, you cannot say, they send their congratulations. You have to say they sent their congratulations.
no flowers say congratulations
In Māori, you can say "whakamihi" which means congratulations.
You can say "čestitke" in Bosnian to say congratulations.
In Hindi, you can say congratulations by saying "बधाई हो" (Badhai ho).
congratulations on your wedding
"Proficiat" is how you say congratulations in Flemish.
When someone says congratulations to you, or when someone congratulates you, say, "Thank you".
In Hawaiian, you can say "Ho'omaika'i."