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Indian Institute of Metals ( IIM ) was formed in Kolkata in 1946 under the leadership of Dr. Dara P. Antia , who was then Chief Metallurgist of Indian Aluminum Co .
 organization: Metals; location: Kolkata; organization: Indian Aluminum Co
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Metals; location: Kolkata; organization: Indian Aluminum Co