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The Saradha Group financial scandal is a financial scam which was caused by the collapse of a Ponzi scheme run by Saradha Group , a consortium of Indian companies which was believed to be running a wide variety of collective investment schemes ( popularly but incorrectly referred as chit fund ) in Eastern India .
 Ponzi, schemes
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ponzi, schemes