How do you write happy birthday in Punjabi?

In Punjabi, "Happy Birthday" is written as "ਜਨਮ ਦਿਨ ਦੀਆਂ ਮੁਬਾਰਕਾਂ" (Janam Din Diyan Mubarkan). This phrase is commonly used to wish someone well on their birthday. You can also write it in the Gurmukhi script as shown or in Romanized form for easier reading.