Kalki Purana is one of the minor Puranas, dealing with future and the 10th avatar of Bhagavan Vishnu at the end of the present age of Kali (Kali Yuga). It is basically a Vainhavite Purana and consists of 6,100 verses.
Kalki means 'the remover of dirt.'
The first part of the Purana describes about the appearance of Bhagavan Vishnu on earth as Kalki. Goddess Lakshmi will be born as Padma.
His symbols are horse, a parrot and a sword.
The second part describes the marriage of Kalki and Goddess Lakshmi.
The third part describes the victory of Kalki over Adharma.