She walked out of the Attakulagara sub-jail here after she was granted bail in all the 33 cases registered, police sources said.
Saritha was arrested on June 4 last year.
Coming out of the prison, Saritha said she was happy to be freed and wanted to meet her children first.
The case shook the state's Congress-led UDF government after it took a political turn following the alleged link between three staff in the office of Chief Minister Oommen Chandy and the accused.
The scam pertains to cheating of huge sums allegedly by Saritha Nair along with her accomplice Biju Radhakrishnan by offering people solar panel solutions.
