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Before the death of his brother he had a divine intuition to move to Allahabad which was called Prayag at that time , at this distance he travelled first to Delhi where the emperor Allauddin Khilji and his successor welcomed him .
 Allahabad, Delhi, Allauddin Khilji
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Allahabad, Delhi, Allauddin Khilji