 While Macauliffe used it extensively in his Sikh Gurus and history sections, he added that the "Suraj Prakash" is of doubtful trustworthiness, because the education and heritage of its author Santokh Singh was "largely tinctured with Hinduism".Suraj Parkash is a popular text in the Sikh community, profusely poetic, and it is sometimes recited in a katha form.The text is a sequel to Santokh Singh's "Guru Nanak Prakash", describing the life of the first Guru in 9,700 verses.