A Japanese national committed suicide by hanging himself at his rented accommodation in the DLF City Phase 2 area on Sunday.
Kishi Taka Iro, 27, an employee of a Japanese automobile paint supplier, was found dead at his residence by his friends, who later informed the police.
No suicide note has been found.
The police have handed over his body to officials of the Japanese embassy. The parents of the deceased have been informed and are likely to reach India on Tuesday or Wednesday.
Kishi Taka Iro had come to India 15 days ago.
He was a chemist employed with Kansai Paints of Japan and was part of the support staff for its automobile customers in Gurgaon.
Police said he had dinner with his friends on Sunday night. But in the morning, he did not come for breakfast. When his friends checked his room, he was found dead.
The police officials at the DLF Phase 2 police station said, "No suicide note has been found. We are investigating the matter. His postmortem was conducted in the presence of Japan embassy officials. His body has been handed over to them."