Describe Dev's feelings and actions after the Udyapan feast. Why did he feel that Sai Baba had deceived him?

After the Udyapan ceremony concluded, Dev felt deeply disappointed and confused. As Chapter 40 recounts, he believed Sai Baba had failed to keep his promise to attend the feast. This left him with a lingering doubt and a feeling that he had no 'experience' of Baba's presence despite his loving invitation. In his distress, Dev wrote a letter to Jog, questioning why Baba had seemingly deceived him with words of assurance. He lamented that Baba's promise turned out 'otherwise,' expressing his wonder and disappointment at what he perceived as a broken promise.