7038
The plateau , on whose centre stands the town of Ajmer , may be considered as the highest point in the plains of North India ; from the circle of hills which hem it in , the country slopes away on every side - towards river valleys on the east , south , west and towards the Thar Desert region on the north .
 Ajmer, North India, Thar Desert
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ajmer, North India, Thar Desert