Baba Ramdev Puran is one of the biggest literature among all. The book written by Swami Gokuldas Ji includes Chaubis (24) Praman with Parda Praman, Alakh Upasana, Ramdev Byavla, Jama Jagran, Dharumal Rupade Ki Bel, Bhajanmala, Bhajan Vilas, Ramdev Chalisa, etc.