Original sentence: The Coromandel Express is a train of the Indian Railways.The daily train runs down the east coast of India between Shalimar railway station, West Bengal, and Chennai Central railway station, Tamil Nadu
Edited sentence: It is a superfast train that runs down the east coast of India between Shalimar railway station, West Bengal, and Chennai Central railway station, Tamil Nadu.The Coromandel Express is one of the flagship carriers of Indian Railways