This is a biography-cum-Gurmat literature of ancient Indian Saint Sant Rain (1741-1871). Being a saint belonging to Udassis Sect, he not only preached and propagated Gurmat philosophy, but also wrote several poetic compositions on theology and spirituality. This collection, apart from being an integral part of Punjabi literature, also deals with the history of Gurmat preaching and reveals some subtle aspects of Punjabi language and Punjabi grammar. The use of the popular poetic devices used by this saint scholar in his poetic compositions reflects his command over the language. Similarly, the contents of his several books reflect his versatility and knowledge of spiritual and philosophical aspects his saintly and scholarly mindset. The fluency and rhythm of his poetic compositions also remarkable.