Name some traditional Indian foods made of wheat, rice and Bengal gram (or their products) which involve use of microbes.

Explanation

**Step-by-Step Solution:**

1. **Identify Traditional Indian Foods**: The question asks for traditional Indian foods made from wheat, rice, and Bengal gram (or their products) that involve the use of microbes.

2. **List of Foods**:
- **Dosa**: This is a fermented food made primarily from rice. The fermentation process involves specific bacteria that help in the leavening and flavor development.
- **Idli**: Similar to dosa, idli is also made from rice and fermented with the help of bacteria.
- **Gutta**: This dish is made from black gram (a type of Bengal gram) and is also fermented using bacteria.
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