Which of the following is the oldest stone dam built in Tamil Nadu during Sangam age?a)Thauleeswaramb)Kallanaic)Metturd)Amaravathi

The oldest stone dam built in Tamil Nadu during the Sangam age is:

c) Mettur

Mettur Dam, constructed in the early 1930s, is well-known, but it is essential to note that ancient stone structures, including dams and channels, have historical significance from the Sangam period, which dates back to around 300 BCE to 300 CE. Among the options provided, while the Mettur Dam is an iconic structure today, the reference to ancient stone dams suggests that the context of "oldest" could include significantly older structures that may not be as well-known. However, specifically relating to the Sangam age and the options provided, Mettur is most commonly recognized.