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Stockholm International Water Institute ( SIWI ) has commended the scheme saying Jyotigram scheme has radically improved the quality of village life , spurred non-farm economic enterprises , and halved the power subsidy in agriculture .
 Stockholm International Water Institute
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Stockholm International Water Institute