Thanjavur, Dec 06: UNESCO will declare two temples in Darasuram and Kumbakonam in Tamil Nadu as world heritage temples on Monday, archaeological survey of india sources said today. The world heritage team from UNESCO will visit these sites on the same day, the sources added. The team is scheduled to visit tomorrow the world famous big temple here, which along with the rock temples at Mahabalipuram near Chennai has already been declared as a heritage temple by UNESCO. ASI had sent proposals to UNESCO to declare all these temples as world heritage temples. All these temples are architectural marvels. Bureau Report