Complex sentence: Nathaman Udayar is one main sub caste in Parkavakulam community of Tamil Nadu, India which including main sub- division Moopanar, Nainar, Malayaman and Shruthiman.
Split into simpler sentences: Nathaman Udayar is one sub caste of Parkavakulam community of Tamil Nadu, India. The others are Moopanar, Nainar, Malayaman and Shruthiman.