A minor fire broke out at the ground floor of the Sena Bhavan on Sunday due to an electric spark in an air conditioner, a Delhi Fire Service official said.
Sena Bhavan is the headquarters of the Indian Army.
The fire department received a call at around 7.55 pm after which five fire tenders were rushed to the spot.
The fire sparked from a cable of an air conditioner and it was brought under control within 15 minutes, a senior fire official said.
No injuries were reported, he said.