Congress leader Rahul Gandhi, recently disqualified from the Parliament after being sentenced to two years in prison over a 2019 defamation case, will challenge his conviction and sentencing in the Surat sessions court tomorrow, sources said. The former Congress president has, in his plea, asked the sessions court to set aside the Magistrate order convicting him in the defamation case. He also asked for an interim stay on the conviction till the matter is disposed of.