What is a on tray?

Answer 1

A Puja tray usually contains:

1. A pot of water for ritual cleansing.
2. A bell to call the family to worship.
3. A tiny pot of the red gum gum paste to mark the forehead. This mark means that a woman's soul (her husband) is with her.
4. An arti lamp for the arti ceremony where everybody passes their hands over the lighted lamp and then over their forehead to make them feel closer to God.
5. An incense burner or jos stick holder.
6. A Conch shell (in some households)
7. And flower petals

It may differ from sect to sect.