Can you narrate the story of Das Ganu's attempt to understand the Upanishads and the initial advice Sai Baba gave him?

According to Chapter 20, the story begins with Ganudas, who was working on a Prakrit commentary of the Ishavasya Upanishad. He struggled because he could not grasp the deep, internal secret of the text. This created a doubt in his mind, which he took to his Satguru, Sai Baba, in Shirdi. Upon hearing his problem, Baba gave him a cryptic instruction: 'The resolution of this doubt of yours will be done by the maidservant at Kaka’s house When you return there.' This story's purpose is to illustrate how a Guru can provide solutions in unexpected ways. After discussions with scholars failed to resolve his doubt, Ganudas eventually went to Shirdi where the resolution happened quite naturally.