What specific miracles or yogic practices of Sai Baba are mentioned at the beginning of Chapter 7?

Chapter 7 of the Shri Sai Satcharitra begins by recounting some of Sai Baba's profound abilities and sacrifices. It specifically mentions His practice of Khanda-yoga, which is described as the disjointing of His limbs. The text also refers to experiments like Dhauti (cleansing of the stomach) and Poti. During these states, it was observed that His hands, feet, and head were sometimes separated from His body and then joined back together as they were before, showcasing His complete mastery over His physical form for the benefit of others.