Alert to the looming threat from the 'Omicron' variant, states began to re-tighten curbs and urgently trace people who arrived from abroad in the last one month while a demand to not allow flights from the affected countries was made by Delhi Chief Minister Arvind Kejriwal and Karnataka Chief Minister Basavaraj Bommai.
After a long hiatus of more than 20 months, the government had on November 26 announced the resumption of scheduled international commercial flights from December 15.