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At NSE , Chauhan set up the first successful screen based trading framework in equities in India which has grown to be the largest equities market in India , and established India 's first commercial satellite telecom network .
 person: Chauhan
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Chauhan 
Answer:
 person: Chauhan