Virudhunagar district in the context of Kamarajar

The Vaigai is a river in the Tamil Nadu state of southern India; it passes through the towns of Theni, Madurai, Manamadurai, Paramakudi and Ramanathapuram. It originates in Varusanadu Hills, the Periyar Plateau of the Western Ghats range, and flows northeast through the Kambam Valley, which lies between the Palani Hills to the north and the Varushanad Hills to the south. The Vattaparai Falls are located on this river. As it rounds the eastern corner of the Varushanad Hills, the river turns southeast, running through the region of Pandya Nadu. Madurai, the largest city in the Pandya Nadu region and its ancient capital, lies on the Vaigai. The river empties into the Palk Bay near Alagankulam, close to Pamban Bridge in Ramanathapuram District.

The Vaigai is 258 kilometres (160 mi) long, with a drainage basin 7,031 square kilometres (2,715 sq mi) large. This river flows through 5 districts namely Theni, Dindigul, Madurai, Sivagangai and Ramanathapuram and serves as a lifeline for 6 districts namely Theni, Dindigul, Madurai, Sivagangai, Virudhunagar and Ramanathapuram as farmers of all these districts are greatly depends on this river water.

Vaippar is a river in the Indian state of Tamil Nadu. It originates from the Varusanadu hills Tenkasi bordering the state of Kerala, runs from Rasingaperi Canal in Sivagiri (Tenkasi) and flows through Virudhunagar and Tuticorin districts before entering the Gulf of Mannar near Sippikulam, 40 kilometres (25 mi).

The Vaippar is 130 kilometres (81 mi) long, with a drainage basin 5,288 square kilometres (2,042 sq mi).

Virudhunagar is a town and the administrative headquarters of Virudhunagar district in the Indian state of Tamil Nadu. It is located 506 km (314 mi) southwest of the state capital Chennai and 53 km (33 mi) south of Madurai. Virudhunagar emerged as an important trade centre during the British rule. Located to the east of Kowsika River, Virudhunagar has an average elevation of 102 m (335 ft) above sea level and is largely flat with no major geological formations. The town has a humid climate and receives 780 mm (31 in) rainfall annually. It has been ruled at various times by Later Pandyas, Vijayanagar Empire, Madurai Nayaks, Chanda Sahib, Carnatic kingdom and the British. It was formerly known as Virudhupatti.

Virudhunagar is administered by a municipality covering an area of 6.39 km (2.47 sq mi). In 2011, the city had a population of 72,296. As the administrative headquarters of the district, the town's economy is based on the service sector, which employs 93% of the total workforce. The remaining 7% is employed in agriculture, mining, quarrying, raising livestock, manufacturing, construction, trade and commerce. Roadways are the main means of transportation, while the town also has rail connectivity. The nearest airport is Madurai Airport, located 45 km (28 mi) north-east of the town. There are 14 secondary schools, two colleges of arts and sciences (one for men and one for women), one polytechnic college, Three Engineering Colleges (Kamaraj College of Engineering and Technology, Sri Vidya, AAA) and three university study centres. Virudhunagar Government Medical College is established in the year 2021. It is located on the NH-44 nearby Virudhunagar Collector Office.

Sivaganga district is one of the 38 districts (an administrative district) in Tamil Nadu, the south Indian state. This district was formed on 15 March 1985 by trifurcation of Ramanathapuram district into Ramanathapuram, Virudhunagar and Sivaganga districts. The city of Sivaganga is the district headquarters, while Karaikudi is the most populous city in the district, administered by the Karaikudi Municipal Corporation. It is bounded by Pudukkottai district on the northeast, Tiruchirappalli district on the north, Ramanathapuram district on southeast, Virudhunagar district on southwest and Madurai district on the west. The area's other larger towns include Sivaganga, Kalayar Kovil, Devakottai, Manamadurai, Ilaiyangudi, Thiruppuvanam, Singampunari and Tiruppattur. As of 2011, the district had a population of 1,339,101 with a sex ratio of 1,003 females for every 1,000 males.

Thoothukudi district is one of the 38 districts of Tamil Nadu, a state in southern India. On 20 October 1986, an M. G. Ramachandran-led government bifurcated the Tirunelveli district to form the district. It is shared by its boundaries with the Tenkasi, Tirunelveli, Ramanathapuram, and Virudhunagar districts and by the Gulf of Mannar in the Bay of Bengal. The district is like a mini India in shape. It is broad in the north and tapers towards the south. Thoothukudi is the headquarters and largest city of the district.