thane the municipal corporation here has stepped up precautions in the wake of omicron and tracked seven passengers who returned from south africa recently officials informedadditional municipal commissioner1 sandeep malvi said they received a list of seven passengers following which they tracked the residents and conducted tests on them all the passengers were tested negative but we will continue our surveillance he saidofficials from the corporation said they are likely to get additional list of passengers who may have returned to the city from at risk countries to ensure no possible virus infected person goes undetectedmeanwhile the corporation tuesday evening issued a fresh list of curbs on unvaccinated residents in the city in line with what was issued by the state government mayor naresh mhaske also informed that schools for classes 17 that were scheduled to reopen by december 1 has now been postponed to december 15 considering the state directives