Shabad Hazare are in fact the three letters written by a disciple(Arjun Dev) longing to meet his Master(Guru Ram Das). This letter is shows love of highest order. These letters were written by Arjun Dev to Guru Ram Das from Lahore where he sent by the Guru to look after the relatives and Sikh Sangat. The letters moved Guru Ram Das so much that he immidiatly called Arjun Dev.