Yoga guru Baba Ramdev would launch the IPO of four companies under the Patanjali brand, a report said. The companies that'll be listed on the stock market during the next five years include Patanjali Ayurved, Patanjali Wellness, Patanjali Medicine and Patanjali Lifestyle. During an interview, Ramdev said that his company is planning to sell 6% promoters' stake in Patanjali Foods.