Step 1: Understanding the Concept:
The question asks for the specific term for the leather straps used to apply tension to the drumheads of a Mridangam. Step 2: Detailed Explanation:
In the construction of a Mridangam, the two drumheads (Valanthalai and Toppi) are held in place and tensioned by numerous thick leather straps that run along the length of the wooden shell. These straps are known as 'Varu'. By adjusting the tension of the Varu, the pitch of the Mridangam is controlled. Step 3: Final Answer:
The leather straps on a Mridangam are called Varu.