sentences:  The 155 chapters of this section are separated into the four Yugas.Chapters 1 through 72 present Ganesha in Krita Yuga, chapters 73 through 126 present Ganesha's story in the Treta Yuga, while chapters 127 through 137 present his stories in Dvapara Yuga.Chapter 138 through 148 present the Ganesha Gita, followed by a short section on Kali Yuga (current era) in chapter 149.