The Pothigai Superfast Express is an overnight Superfast train service operated between Chennai Egmore and Sengottai.

Sivakasi is a city in Virudhunagar District in the Indian state of Tamil Nadu. The city is known for firecrackers and match factories that produce 70% of the country's produce. The printing industries in Sivakasi produce 30% of the total diaries produced in India. The industries in Sivakasi employ over 25,000 people and the estimated turnover of the firecracker, match making and printing industries in the city is around ₹20 billion (US$250 million). The major issues in the city are the frequent accidents in the firecracker factories and the high level of child labour.