Six passengers in Air India's London-Delhi flight tested positive for COVID-19 on arrival.
The flight landed around 11.30 pm on Monday.
"Five passengers were found COVID-positive at the Delhi airport. One passenger, who took a connecting flight to Chennai, was tested there and found positive," the official stated.
The government on Monday said all UK-India flights will be suspended from December 23 to December 31 in view of the emergence of a new strain of coronavirus in UK.