Which of the following musical forms in Carnatic Classical is the simplest composition of raga?

Explanation

Gitam. The main traditional forms of improvisation in Carnatic music consist of the following: Alapana, Niraval, Pallavi, Ragam, Swarakalpana, Tanam, Tani, Avartanam. Varnam - A type of composition in Carnatic music that captures the essence of a raga, or scale, in a short piece of music. Padas are scholarly compositions in Telegu and Tamil.