Can you detail the interaction between Sai Baba and Nana Chandorkar concerning a specific Bhagavad Gita verse?

Certainly. Chapter 39 recounts a significant interaction where Sai Baba stopped Nana Chandorkar, who was humming a verse, and commanded him to recite it clearly. The verse was from the Gita: "Tadviddhi pranipatena, pariprashnena sevaya | Upadeksyanti te jnanam, jnaninastattvadarsinah". When Baba asked for its meaning, Nana, a learned expert, explained that it means one should approach a Guru with prostration, sincere questioning, and service, and in turn, the wise ones who have perceived the truth will impart knowledge. This entire episode, as narrated in Chapter 39, was orchestrated by Baba to provide a deeper teaching, using a dialogue format to ensure the meaning was grasped without doubt.