Om Mangalam Bhagwan Vishnu is the mantra of Lord Vishnu which is chanted in order to praise Lord Vishnu. It is said that if anyone chants this mantra after waking up in the morning, then he or she is blessed by Lord Vishnu. Here is the full mantra:
*“मंगलम भगवान विष्णु, मंगलम गरुड़ ध्वज।
मंगलम पुण्डरीकाक्ष, मंगलाय तनो हरि।।"*
*“मंगलम भगवान विष्णु, मंगलम गरुड़ ध्वज।
मंगलम पुण्डरीकाक्ष, मंगलाय तनो हरि।।"*