"ॐ त्र्यम्बकं यजामहे सुगन्धिं पुष्टिवर्धनम् । उर्वारुकमिव बन्धनान्मृत्योर्मुक्षीय मामृतात् ॥"
Here's the Maha Mrityunjaya Mantra in Punjabi:
You're looking for the Maha Mrityunjaya Mantra in Punjabi PDF format. Here's some information that might help:
"Om Tryambakam Yajamahe Sugandhim Pushti-Vardhanam Urvarukamiva Bandhanan Mrityor Mukshiya Mamritat"