Nanguneri is one of the Vishnu Divya desams.�The�specialty�of the temple beling that the Perumal is� being given�oil abhishegam everyday with Gingili oil and sandal oil and the oil is being collected in an� open well. The oil has�rich medicinal value and is said to cure many diseases. In spite of being open,� the oil is clean and given as prasadam�to the decotees. When taken inside it is so sweet.