However, I can translate the phrase "I love you" into Punjabi for you:
ਮੈਂ ਤੁਹਾਨੂੰ ਪਿਆਰ ਕਰਦਾ/ਕਰਦੀ ਹਾਂ (pronounced: mai tuhanu pyaar karda/kardi haan)
This is the most common way to say "I love you" in Punjabi.
Is there anything else I can help you with?