Car festival is the famous festival celebrated at Kanthimathi Nellaiyappar temple which is at a distance of 2kms from the Thirunelveli railway station. Also known an 'Aani festival', this festival that falls during the month of June-July, is celebrated for 10 days with great splendor and cheer. The festival commence with the flag hoisting and on the 9th day a grand procession with the idols of Swamy Nellaiyppar and Gandhimathi Ambal is carried out. The chariot used for the procession is the 3rd largest car in Tamil Nadu and is 450 ton in weight, 28 feet in width, 28 feet in length with a total height of 35 feet. This chariot with the idols are pulled by the devotees through the all four car streets around the temple.