Tamil Nadu on Sunday extended the lockdown restrictions in the state till March 31 amid a spike in coronavirus cases. This means that shops, offices, marketplaces and commercial establishments will continue to open, but with staggered working hours. The authorities have been directed to ensure that restrictions are strictly followed and action is taken against the violators. Police and municipal authorities, too, have been directed to ensure that measures in containment zones are strictly followed. On Sunday, the state recorded 479 fresh COVID-19 cases and three more deaths, taking the overall caseload to 8.51 lakh and the toll to 12,496.