Famous forts of Tamil Nadu

Vellore fort was built on the bank of River Palar in the 16th Century. It was the headquarters of the Vijayanagar Empire. There is a temple, church and mosque in the fort along with some other buildings. You will be able to see the detailed military architectural styles of Southern India in this fort.

Gingee Fort or Senji Fort is one of the surviving forts in Tamil Nadu, India. It lies in Villupuram District, 160 kilometres from Chennai. The fort is so fortified, that Shivaji, the Maratha king, ranked it as the "most impregnable fortress in India" and called the "Troy of the East" by the British. The nearest town with a railway station is Tindivanam and the nearest airport is Chennai (Madras), located 150 kilometres (93 mi) away.