Could you elaborate on the specific details of Chand Patil's initial interaction with Sai Baba?

Certainly. The initial interaction is described vividly in Chapter 5. Chand Patil, disheartened after losing his mare, was walking back from Aurangabad when he saw a Fakir under a mango tree. The Fakir, wearing a cap and kafni and holding a satka, was preparing a chillum. He called out to Patil, inviting him to rest in the shade and share the chillum. The Fakir then asked about the saddle Patil was carrying, which led to him telling Patil exactly where to find his lost horse. Upon Patil's return with the mare, he witnessed the Fakir miraculously produce fire and water from the earth, solidifying his belief in the Fakir's sainthood.