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Rajwinder Singh , full name Rajvinder Singh Rai from Khusropur , Julhander , Punjab , India , was one of the top Indian field hockey internationals during his peak .
 Rajwinder Singh, Singh, Punjab
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Rajwinder Singh, Singh, Punjab