Sonia Gandhi, who was admitted to the Sir Ganga Ram Hospital here on Sunday, is undergoing treatment for stomach infection, hospital authorities said.
Her son Rahul Gandhi and daughter Priyanka Gandhi Vadra were with her when she was admitted to the hospital.
"She was admitted to hospital on Sunday at 7 PM and has undergone medical tests. She has been found to be suffering from stomach infection and is being treated for the same," Dr DS Rana Chairman (Board of Management), Sir Ganga Ram Hospital, said in a medical bulletin on Monday.
Sources said she is likely to be discharged on Tuesday.