As there are 4 Yugas.
How many Avatars in each yuga? Why different in number of Avatars?
Why only one avatar in Kali Yug?
Like lord Rama and lord Krishna have come in between of those Yugas. But why Kalki Avatar will come at the end?
It is said that whenever Papa increases then an Avatar comes to restore the Dharma. And now also in Kali Yug many Papa are done by many Ravana and Kansas from each family. In Ramayan there was only one Sita was abducted by one Ravan, in Kali Yug also many Sita are there who are abducted by many Ravans.
so Is it not the time for Vishnu to take an Avatar to restore the Dharma?
If Kalki Avatar comes at the end of Kali Yug and start of Satya Yug and no people of Kali Yug will have experience with this Avatar, then can we say Kalki is not an Avatar of Kali Yug but of Satya Yug And no Avatars in Kaliyuga?