Silva was refused to be given a similar deal when his contract expired at the Parc des Princes in 2020 which led to him joining Chelsea.
The 36-year-old spent eight years in the French capital where he won 23 trophies during his time in France, which included seven Ligue 1 titles.
He was also part of Thomas Tuchel’s side which led PSG to their maiden Champions League final where they narrowly lost to Bayern Munich.
The Brazilian believes he deserved a better treatment from the French side, given that he is one of their best players of all-time.
“I have nothing against Sergio Ramos, but Sergio, at the time at which they offered him a two-year contract, was the same age as me last year,” Silva told ESPN Brazil.
“So that made me truly sad. I have not yet spoken about it with anyone, because it made me really sad because I felt like I had done nothing for the club.
“My departure is a page that has certainly been turned, but at the same time I think a lot, I reflect a lot on everything that has happened. I think that something else could have been done.
“Because it was not eight days, or eight months that I spent with PSG. It was eight years with lots of victories, lots of work to be able to change, and put PSG at the level that it is at today.
“I want PSG to win, because the club deserves all the respect. But, in light of the way that things played out, I have this feeling of sadness and I feel that it could have been done differently.”