Why does the author begin the Sai Satcharitra with a series of invocations in Chapter 1?

According to Chapter 1, the author begins the Sai Satcharitra with a series of invocations as part of a traditional and wise practice known as Mangalacharan. The text explicitly states that the reason for this 'auspicious beginning is the removal of all obstacles' and that its 'purpose is the fulfillment of the desired goal.' By offering salutations to deities like Ganesha and Saraswati, the author seeks their grace for the successful and obstacle-free completion of the monumental task of writing the life story of Sai Baba for the benefit of all devotees.