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Ghosh sits on the Board of the Canadian Council of Chief Executives former Chairman of the National Telecom Committee of the Confederation of Indian Industry former Chairman of the Cellular Operators Association of  India  and a distinguished alumnus of the  Indian Institute of Technology Delhi  .
 country of headquarters: India, Indian Institute of Technology Delhi
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 country of headquarters: India, Indian Institute of Technology Delhi