After test reports of the staffer, who had been turning for duty regularly at the Lodhi Road office, turned positive for coronavirus, the entire office has been sealed, officials said.
Sources confirmed that some of the top-level officers of the central paramilitary force will also move into home quarantine as they were in contact with the infected person.
The entire building at the CGO complex, which houses the offices of Director General (DG) CRPF and Special Director General (SDG) CRPF, will be sanitised.
"The report of the staffer come positive yesterday. The building will not be open to any person for procedural reasons. The date of opening of the building for the staff has not been decided yet," a senior CRPF official said.
CRPF building also has a control room that is connected to all units to provide quick information to headquarters.