In Kathakali dance-drama, which percussion instrument mainly provides the rhythmic foundation?

Explanation

Chenda. In Kathakali of Kerala, the Chenda is a cylindrical drum that provides the main rhythm. Played with wooden sticks, it produces loud and powerful sounds to match dramatic scenes and emotions. It is supported by the Maddalam and cymbals to maintain the Tala, creating the energetic atmosphere of Kathakali performances.