In carnatic music Mallari is associated to Nadaswaram instrument, the Mangala vadyam (auspicious instrument). Redention of Mallari is an important part of Nagaswaram repertoire. Nagaswaram music is a part of every day temple ritual. During deepaaradhana’s and temple processions Mallari is played with this instrument along with Tavil. The common ragas in which Mallari’s are presented are Gambheera nattai, Nattai, gowla, and Arabhi.
Following links have detailed information on types Mallari’s :
The following video demonstrates the Mallari in Ragam Nattai and Talam Adi. Thanks to my friends on Rasikas.org and Jaya Akka (daughter of Swami Malai Rajaratnam Pillai) who helped me identify this ragam and also shared an interesting fact. She said that the song was composed by her legendary father Shri Swamimalai Rajaratnam Pillai as Pushpanjali for his students.