How did Sai Baba demonstrate his omniscience to his devotees like Kakasaheb Dixit and Bhagwantrao Kshirsagar?

Sai Baba frequently demonstrated his all-knowing nature to guide his devotees. For instance, as described in Chapter 4, after Kakasaheb Dixit had a private meditative vision of Vitthal, Baba surprised him by asking, 'Vitthal Patil had come, right?' This confirmed Baba's awareness of Dixit's inner spiritual experience. Similarly, with Bhagwantrao Kshirsagar, Baba knew the details of his family history, referring to his late father as a friend and pointing out that Bhagwantrao had stopped the family's traditional worship, food offerings, and even the Shraddha. By revealing this knowledge, Baba guided them back to their spiritual paths.