"Me desculpe" or, depending on the situation, "Sinto muito" (The second is more sentimental, guess it's similar to "I'm so sorry")
But informally, you can say "Foi mal" (It's kind of a slang, only use it if you're apologizing for nothing so serious and if you really know the person you're talking to)
what is im sorry in punjbi
Sinto. Sinto muito.
Im sorry
Ua koj tsuag.
Spell Out Im Sorry With Flowers
IM them
Pele
khortod kha
Khaw thohd
Enna Mannicchirunga...
Lo Siento
im sorry momy but im busy i promise ill do it later