Sonia Gandhi had tested positive for the coronavirus in June as well.
Congress President Sonia Gandhi has tested positive for Covid-19 again, tweeted party MP and in-charge Communications Jairam Ramesh, adding that she was stable and would remain in isolation following all protocols.
"Congress President Smt.Sonia Gandhi has tested positive for Covid-19 today. She will remain in isolation as per government protocol," he tweeted.
"Congress President Smt. Sonia Gandhi has tested positive for Covid-19 today. We wish her speedy recovery and good health," the Congress also tweeted from its official Twitter handle.
Mrs Gandhi had tested positive for the coronavirus in June as well and had sought more time from the Enforcement Directorate (ED) to appear before it for questioning in a money-laundering case.
She was then admitted to Sir Ganga Ram Hospital in Delhi owing to Covid-related issues.
Several Congress leaders had contracted Covid-19 recently, including communications department head Pawan Khera, party MP Abhishek Manu Singhvi and Leader of Opposition in Rajya Sabha Mallikarjun Kharge.
Sonia Gandhi's daughter and Congress general secretary Priyanka Gandhi Vadra had also tested positive for Covid-19 earlier this week.