"Airlines House has been sealed for Tuesday and Wednesday," an official said.
The employee posted at the Gurudwara Rakabganj Road building tested positive on Monday evening, he said.
The government-run Air India is the only airline participating in the Vande Bharat Mission, under which the carrier would operate 64 flights between May 7 and May 14 to repatriate around 15,000 stranded Indians from 12 countries on a payment basis.
India has been under a lockdown since March 25 to curb the spread of the virus, which has infected more than 70,000 people and killed around 2,290 people in the country till now. DSP ABHABH