I need to ensure accuracy since this is a religious text. Avoid any speculative content. Stick to what's publicly known about BAPS practices. Also, maybe include where to find BAPS Mahapuja manuals or PDFs, but only if that's permissible. If not, avoid providing links but mention that resources are available through BAPS centers.

Potential controversies or common questions: Are the rituals open to all, or only specific community members? How long does a typical Mahapuja last? What's needed to perform it at home versus in the temple?

I should check if there's any specific timing or occasions for Mahapuja. Like, is it performed daily, on special occasions, or in festivals? For example, during Utsav or important Hindu festivals.

I should also mention the spiritual benefits according to BAPS beliefs, like receiving the deity's blessings, purification, and fulfillment of desires. Maybe touch on the concept of Bhakti (devotion) being central to the Mahapuja.

Also, the role of Mahant and other priests in conducting the ritual. Their attire, the use of specific instruments like drums (damru), and singing mantras. The community participation is important too—devotees might offer items, donate, or attend the pujas.

First, I should define what Mahapuja is. It's a grand ritual dedicated to the deity, involving various mantras and offerings. I need to mention the key elements like Abhishekam (ritual bath), Aarti, offerings like flowers, rice, and sweets. Also, the significance of these acts in worship according to Swaminarayan Sampradaya beliefs.

Check if there are different types of Mahapuja, like those for specific deities or for different purposes. Maybe mention the Mahapujas dedicated to Bhagwan Swaminarayan versus other deities like Ganesha or Rama.

Note: Always consult authorized BAPS resources for detailed practices and avoid speculative interpretations.