Kavalur is a village in the Jawadhu Hills in Vaniyambadi taluk, Tirupathur district, Tamil Nadu, India. The village hosts the Vainu Bappu Observatory (VBO), which was established in the 1970s, and contains the 1-meter (3 ft 3 in) Carl Zeiss Telescope, and the 2.3-meter (7 ft 7 in) Vainu Bappu telescope.
As of 2001[update] census, Kavalur had a total population of 1010 with 496 males and 514 females. The sex ratio was 1036. The literacy rate was 48.45.
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