IN the hinterland of Tamil Nadu a riddle goes thus: Kandaal vandi, thottal chakram. They are classified into five types based on their body structure: rammers, litter splitters, borers, pill millipedes, and bark dwellers. Wedge or litter splitters, also known as plate millipedes, are the most diverse Indian species in the order Polydesmida. According to the researchers, although millipedes feed …