Taa is a town off the Chennai-Nellore highway, just over 85km from Chennai, India. It is located in Nellore district of Andhra Pradesh and is about 1.5 km north of the Andhra Pradesh . This place is the exact border of the andhra pradesh . - Further inside is a place called Varadayapalem, a trek up to the waterfall its highlightm, which are also called Ubbalamadugu Falls locally.arjun