Contacts of COVID-19 patients, unless identified as high-risk, don't need to be tested, the government's top medical body said today in a new advisory. Dining at restaurants has been banned in new Covid curbs in Delhi as the national capital scrambles to contain a frightening surge in new infections over the past few days. India has begun administering the booster dose or as the government calls it the 'precaution dose' against the coronavirus today.