How many wife ravan had

According to the Jain literature provided, Ravana married Mandodari after returning from a pilgrimage to Mount Meru, and they had two sons, Indrajita and Ghanavahana. Additionally, it is mentioned that on another occasion, Ravana married six thousand Gandharva damsels after defeating the army of Surasundara. There is also a mention of his sister Candranakhi and a marriage alliance involving her, but this does not pertain to Ravana's wives. Thus, the known wives of Ravana from the context are Mandodari and the six thousand Gandharva damsels.