Here are the suggested words to fill in the blanks:

1. **religious**
2. **for**
3. **wealth**
4. **decorate**
5. **jewelry**

So the completed text would read:

"The festival of Diwali is one of the most important **religious** festivals in India. It lasts **for** five days around the end of October. It is the festival of Lakshmi, the Goddess who, in the Hindu religion, brings **wealth** and property. Preparations for the festival begin several weeks before the festival. People clean and **decorate** their homes, prepare special food and buy new clothes and **jewelry** to welcome the Goddess in their homes."