Three personnel of the Indian Air Force (IAF) are under a precautionary quarantine after one of them had visited the Nizamuddin area around the same time the Tablighi Jamaat meeting was happening there last month, The Economic Times reported.

The airman who was in a part of New Delhi where a religious gathering took place was traced by his cell phone location by the Delhi police.

The airman, who is posted at the critical 3 Wing of the air force after Delhi police mounted a operation to trace all phone records of people present in the Nizamuddin area as part of efforts to contain the spread of the virus.

Tablighi congregation has emerged as the largest infection vector of Covid-19 across the country

"This person had gone to the Nizamuddin area around the same time this Jamaat meeting was taking place. Whether he attended this Jamaat meeting or not is under investigation by the Indian Air Force," the spokesperson said.

"He has come in contact with two other Air Force personnel. All three of them are asymptomatic. All three under quarantine right now," he added.

It is still not clear why the airman did not disclose his visit to the Nizamuddin area after news about the outbreak spread

This is the first instance of the Indian Air Force placing any of its personnel in quarantine for possible covid-19 infection. The Indian army has so far reported three confirmed cases of infection with one personnel discharged and two undergoing treatment.