Step 1: Understanding the Concept:
Mudras are symbolic hand gestures in Buddhist art that represent specific episodes in the Buddha's life or particular spiritual qualities.
Step 2: Detailed Explanation:
The Bhumisparsha Mudra (Earth-Touching Gesture) depicts the Buddha sitting with his right hand reaching down to touch the ground.
This happened when Mara challenged his right to sit under the Bodhi tree. The Buddha called the Earth to witness his lifetimes of merit.
1. Dharmachakra: Turning the wheel (First Sermon).
2. Abhaya: Fearlessness/Protection.
3. Dhyana: Deep Meditation.
Step 3: Final Answer:
The Bhumisparsha Mudra was performed at the moment of Enlightenment.