What is the main purpose and content of the first chapter of the Sai Satcharitra?

The first chapter of the Sai Satcharitra, titled Mangalacharan, serves as a traditional auspicious invocation to ensure the obstacle-free completion of the sacred text. As detailed in Chapter 1, the author offers salutations to several key deities. This includes prayers to Lord Ganesha, the remover of obstacles; Goddess Saraswati, the goddess of speech and knowledge; the Trimurti of Brahma, Vishnu, and Shankar; and the family deity, Narayana. A central theme introduced is the identification of Sai Baba himself with these divine forms, suggesting that Sai is the embodiment of Ganesha, Saraswati, and the supreme Sadguru who will guide devotees across the ocean of worldly existence. The ultimate purpose is to seek divine blessings for the successful writing and reception of the Satcharitra.