What is the origin and publication history of the 'Shri Sai Satcharita' as described in the provided preface?

The 'Shri Sai Satcharita' is introduced as a recent, inspirational, and grace-filled biography of the modern saint, Shri Sai Baba of Shirdi. According to Chapter 0, it was authored by his devotee, the late Shri Govind Raghunath, also known as Annasaheb Dabholkar. The work was not published all at once. Instead, it was released serially, chapter by chapter, over a span of six years within the 'Shri Sai Leela' magazine. The preface from which this information is taken was written as the work was being finalized with a concluding chapter, marking it as a complete and comprehensive Guru biography.