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Kalki will

1. divide the earth into earthly kingdoms among his generals,
2. then perform the Ashwamedha and Rajasuya sacrifices for the Devas. 
3. Sumati and Vishnuyasha, his parents, will then travel to the holy place of Badrikashram, where they will live until their death. 
4. After the siring of Kalki's sons Meghamaal and Balahaka, Kalki will reign on earth for 1,000 years as the King of Shambhala. 
5. Having finished his mission of resto ring peace, the Devas will appear before Kalki, requesting that he return to Vaikunta. After a ritual bath in the Ganges River, 
6. Kalki will reappear as Vishnu in his four-armed form, and return to Vaikunta.