83890
Her sister Radhika Roy is married to Prannoy Roy , founder and CEO of NDTV .
 Radhika Roy, Prannoy Roy, NDTV
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Radhika Roy, Prannoy Roy, NDTV