Introduction : Nallarikkai previous name Thennadu. Thennadu means 101%  field/agriculture village,poor people is not there and nalavei  means heaven.people from nallarikkai are self motivated and there is a good vibration for society.since it is a very old village and emergency need like hospital to be provided by govt.They don't have the library at all rather than temple.To form a good and educated society there should be one library around the village.