291573
History A metre gauge line of South Indian Railway Company , opened in 1891 , started from Villupuram in South Arcot district and passed through Katpadi and Chittoor to Pakala .
 South Indian Railway Company, Chittoor
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 South Indian Railway Company, Chittoor