Highlights The curbs will remain in place until further order Chennai Metro Rail has been permitted to operate on Sundays Chennai: After recording 16,665, the highest ever single-day cases of COVID-19 since the start of the pandemic, the Tamil Nadu government has extended the existing set of lockdown restrictions, besides the night (10 pm to 4 am) and Sunday curfew. The curbs will remain in place until further order from the state government. According to the new guidelines, there will be no restrictions on the movement/transport of officials/party functionaries such as candidates, chief agen...