The Navagrahas are the nine important deities of the Hindu religion. They represent the nine planets in the celestial world and Bhudha or the Mercury is one of them. The Bhudha-navgraha kolam is drawn for the positive influence of the planet Mercury. It is recommended for wednesday mornings.
wednesday
Here are the kolams and rangolis in this page:
- Navagraha Kolam - Bhudha Bhagvan - wednesday