Analyzing the narrative of Chapter 34, how does it contrast the efficacy of human medical expertise with the power of a Sadguru's grace?

Chapter 34 draws a stark contrast between the limitations of human effort and the boundless power of divine grace. The narrative deliberately establishes the failure of medicine by noting that a 'degree-holding doctor,' 'physician friends,' and 'expert and intelligent surgeons' all 'became exhausted and felt helpless' against the boy's bone-cyst. All their efforts, including surgery, were futile. This complete failure of human expertise sets the stage for the spiritual solution. The chapter then shows that what all these experts could not achieve was resolved simply by Sai Baba, who provided his Udi and reassurance. The story thus concludes that when human skill and remedies reach their absolute limit, surrendering to a Sadguru like Sai provides a way to overcome even the most incurable calamities.