Who was the host of the Udyapan ceremony who initially felt that Sai Baba had deceived him?

The host was B.V. Dev. He had invited Sai Baba to his home for an Udyapan ceremony, and Baba promised to attend. However, when Baba arrived in the guise of a Sanyasi with two others, Dev failed to recognize him. As recounted in Chapter 40, this led Dev to feel disappointed and deceived, prompting him to write a letter of complaint to Bapusaheb Jog, stating he did not understand why Baba's promise had turned out otherwise.