The 78-year-old woman was stated to have recovered from COVID-19, testing negative after over a month at the hospital.
But she died on Thursday due to a heart attack, an official said.
"This is the preliminary information we received from the hospital. Full details regarding the Italian tourist's death are still awaited," Gurgaon's Chief Medical Officer J S Punia said over the phone.
The patient was part of a group of 14 Italian tourists who had tested COVID-19 positive and were admitted at the Gurgaon hospital.
All others were later discharged. SUN VSD ASHASH