New Delhi, March 26 -- Till Tuesday evening, north-west Delhi's Ashok Vihar had 16 houses whose outer walls had been plastered with red notice labels by the district administration announcing that around 25 occupants had been put under home quarantine.

It was last week, on March 19, when a 22-year-old man after having returned home from the United Kingdom had tested positive for Covid-19 and was shifted to a government-run quarantine facility in Rajiv Gandhi Super Speciality Hospital in Tahirpur.

Government rules mandate that anyone returning to India after travelling abroad or anyone who has come in contact with a carrier/potential carrier of the disease but have not shown symptoms are required to quarantine themselves at home for 14 day...