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Alaknanda descending from the foot of the Satopanth ( a triangular lake , which is located at a height of , above the sea level and named after the Hindu trinity : Brahma , Vishnu , Shiva and Bhagirath Kharak glaciers near the Nanda Devi peak , in Uttarakhand cascades over a length of encompassing the five prayags and is joined at Dev Prayag by the Bhagirathi , a shorter river source vis-à-vis Alaknanda to form the main stream of the Ganges .
 Uttarakhand, Prayag
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Uttarakhand, Prayag