In Tamil nadu, a total of 1,636 people tested positive for Covid yesterday. Active cases were more 9000. More than one thousand have been discharged after treatment. <br />''<br />''In Kanchipuram at least 52 first-year medical students in the Meenakshi Medical College Hospital at Enathur in Kancheepuram district have tested positive for Covid 19. The district public health officer Dr. V.K.Palani said that other students who have tested negative in home quarantine.<br />''<br />''AIR Chennai correspondent reports that Tamilnadu health Secretary J.Radhakrishnan said clusters like educational institutions and workplaces were going up across the State. College administrations have been asked to follow mask and social distancing norms at all times. With 532 new cases being reported in Chennai the highest since November, health officials said the city is witnessing a spike in both the number of clusters and their size. <br />''<br />''Director of public health Dr. T.S.Selvanayagam has said that clusters were found at homes after luncheons, parties, weddings and funerals. The Corporation tracks down atleast 30 close contacts of every positive patient. <br />