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The Mahrattas , assisted by forces of the British East India Company , began the siege on 18 September 1790 ; the Mysorean garrison surrendered on 3 April 1791 .
 British East India Company
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 British East India Company