Of the 331 cases, 326 were returnees from the famous Sikh shrine in Maharashtra's Nanded, who came back last week after remaining stuck for nearly a month.
In the past five days, Punjab recorded 728 cases -- a majority of them Nanded returnees.
Amritsar district recorded the highest corona cases for the second day in a row. It recorded 75 new cases, with the total patients now reaching 218.
Also Read: Punjab gets ICMR nod to undertake clinical trials for Plasma Therapy on COVID-19 patients
Six districts -- Amritsar, SBS Nagar (62), Hoshiarpur (46), Muktsar (43), Bathinda (33) and Gurdaspur (24) ---accounted for 85 per cent of the new cases.
With the demise of two more patients, the state's death toll rose to 21.