Based on the provided text from Chapter 7, describe the activities that occurred in the mosque where Sai Baba lived. How did these events challenge conventional religious norms?

As detailed in Chapter 7, the mosque where Sai Baba resided was a hub of activities that defied religious categorization. If one considered him a Muslim due to his residence, that notion was challenged by the presence of a sacred fire (Dhuni) burning day and night. The chapter states that within this mosque, there was the ringing of bells and blowing of conches, constant bhajan (devotional singing), the offering of food to fire, and even the ritual washing of feet for worship. Most strikingly, the best of Brahmins and keepers of sacred fires (Agnihotris) would come there to prostrate before him, setting aside their pride in ritual purity, which amazed all who witnessed it.