Tirunelveli has rainfall in all seasons (953.1 millimetres (37.52 in) in 2005 and 2006), and benefits from both the northeast and southwest monsoons.

The Thamirabarani and Manimuthar Rivers have many dams, with reservoirs providing water for irrigation and power generation.

[12] The district has hydroelectric power plants and windmills, with an installed capacity of 1,089.675 megawatt-hours (3,922.83 GJ); it is one of the major producers of wind energy in the state.

Since then, the Directorate of Technical Education has assumed the administration of both engineering colleges and polytechnics.

The Government College of Engineering was established in October 1981 to fulfill the needs of people in the southern region.

The district is a major producer of rice, coconuts, bananas, spices and forest-based products.

[citation needed] The district is also rich in minerals, with a total of 407 mines and quarries.

Limestone, granite and garnet sand are some of the minerals mined or produced in the district.

A pharma park and windmill spare-parts and television-manufacturing factories have been planned in this SEZ.

Located on top of the Manimuthar Dam and the Manimuthar Water Falls, the Manjolai area comprises tea plantations, small settlements, the Upper Kodaiyar Dam and a windy view point called Kuthiravetti.

The whole of the Manjolai Estates and the tea plantations are operated by The Bombay Burmah Trading Corporation Ltd on forest land leased by the Government of Tamil Nadu.

The 900 square kilometres (350 sq mi) Kalakkad Mundanthurai Tiger Reserve was established in 1988.

The reserve, at 8°39′N 77°23′E / 8.650°N 77.383°E / 8.650; 77.383, is about 45 km west of Tirunelveli and is known as KMTR to forest and tiger researchers.

Papanasam is a famous picnic spot in Tirunelveli district in the Indian state of Tamil Nadu.

The site is popular for its tourists attractions such as the Thamirabarani River, Agasthiyar Falls, the Shiva Temple, Papanasam dam and the hydroelectric power plant.

A tiny village in the far south, Koonthankulam in Nanguneri Taluk of Tirunelveli District is emerging as a new favourite of the migratory birds.

The painted storks are coming from North India and East European Countries to this place.

Similarly the flamingoes which flew in mainly from the Rann of Kutch have hatched and reared their young in the village.

[16] The Navaneethakrishnan Temple at Melasevel Village, 16 km (9.9 mi) from Tirunelveli Town on the road leading to Ambasamudram, is around 730 years old.

Dolotsavam utsavam on every month, on the day of Star ROHINI at the Navaneethakrishnan temple is quite familiar, and many childless couples take part in this pooja.

Garuda Sevai is conducted on all four Saturdays of the Tamil month of Purattasi and attracts a large number of devotees from the neighbouring villages.

With the kind permission of the HRE department of the State Government, the Melaseval Bhaktha Jana Seva Trust maintains the temple with daily rituals and regular poojas.