Venkatachalam is one of the mandal in Nellore district of the Indian state of Andhra Pradesh.
[1] Venkatachellam is located at 14°19′00″N 79°55′00″E / 14.3167°N 79.9167°E / 14.3167; 79.9167.
It has an average elevation of 20 meters (68 feet).
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