Sukhmani Sahib is usually translated to mean Prayer of Peace is a set of 192 padas present in the holy Guru Granth Sahib, the main scripture and living Guru of Sikhism from Ang 262 to Ang 296. Sukhmani Sahib is frequently recited by Sikhs is one of the popular Banis (compositions of the Guru). Sukhmani Sahib is divided into 24 Ashtpadi (Section). The Guru compiled it at Ramsar Sarovar (Sacred Pool), Amritsar which at the time was in thick woods. Dhansikhii provides the full path of Sukhmani sahib in pdf direct line here.