Final answer:
The given reference does not contain the necessary information to provide the surface area of the Krishna Raja Sagara dam. Reliable data sources should be used to obtain such specific geographical information.
Step-by-step explanation:
The question pertains to the Krishna Raja Sagara dam, which is constructed on the river Kaveri. Unfortunately, the data provided in the reference does not include information on the total surface area of the Krishna Raja Sagara dam. Therefore, we cannot accurately answer this specific question about the total surface area of the dam from the information provided.
It is important to use accurate and relevant data sources to answer questions regarding geographical features. When looking for specific data such as the surface area of a dam, authoritative resources such as government or academic publications would be the most reliable sources of information.