An Indian official was found dead inside the embassy in Washington, DC, on Wednesday. The death was confirmed by the Ministry of External Affairs on Saturday.
Reports said the US Secret Service and the local law enforcement are probing different angles, including suicide.
No further details were immediately revealed by the embassy or the ministry.
The shocking incident comes as Prime Minister Narendra Modi is on a three-day visit to the US. He is scheduled to attend the Quad summit in Delaware and address the 'Summit of the Future' at the UN General Assembly in New York.