367201
Biography and Career Chauhan graduated from Indian Institute of Technology Bombay ( IIT Bombay ) with a bachelor 's degree in Mechanical Engineering in 1989 , after which he joined Indian Institute of Management Calcutta ( IIM Calcutta ) for an MBA .
 Chauhan, Indian Institute of Technology Bombay, Bombay, Indian Institute of Management Calcutta, Calcutta
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Chauhan, Indian Institute of Technology Bombay, Bombay, Indian Institute of Management Calcutta, Calcutta