By bathing in the Devadaru forest and offering oblations of water to the departed manes and living there for seven nights with a pure body and mind, one acquires the region of the celestials on departing from this world.
देवदारुवने स्नात्वा धूतपाप्मा कृतोदकः। देवलोकमवाप्नोति सप्तरात्रोषितः शुचिः॥