Formal:
* जन्मदिनच्या शुभेच्छा! (janmadinachya shubhechha!) - This is the most common and formal way to say "Happy Birthday" in Konkani.
* आपल्या जन्मदिनाच्या शुभेच्छा! (aaplya janmadinachya shubhechha!) - This is a slightly more formal way to say "Happy Birthday" and translates to "Happy Birthday to you."
Informal:
* जन्मदिन चांगले जावो! (janmadin changle javo!) - This translates to "Have a good birthday!"
* तुमचा जन्मदिन शुभेच्छा! (tumcha janmadin shubhechha!) - This translates to "Happy birthday to you!"
With love:
* तुमच्या जन्मदिनाच्या खूप शुभेच्छा! (tumchya janmadinachya khup shubhechha!) - This translates to "Many happy returns of the day!"
You can also add a specific wish, like:
* तुमचा दिवस आनंदी जावो! (tumcha divas aaanandi javo!) - "May your day be filled with joy!"
* तुमच्या सर्व स्वप्नांनी पूर्ण व्हाव्यात! (tumchya sarv swapnaani purn vhavyat!) - "May all your dreams come true!"
Remember that the pronunciation of these phrases will vary depending on the specific dialect of Konkani spoken in Karnataka.
It's also a good idea to check with a native speaker of Karnataka Konkani to make sure you're using the correct terms and pronunciation.