Bengaluru, Nov. 28 -- Karnataka revenue minister R Ashoka said on Saturday the state government has sought the Centre's approval regarding administering of booster dose against Covid-19.

Amid scare over new Covid variant 'Omicron'Karnataka has tightened its COVID-19 precautionary measures by intensifying the screening of international passengers at the airports and making RT-PCR tests mandatory for visitors from Maharashtra and Kerala.

Another round of meeting will be held under the chief minister's leadership to tackle a way forward and separate set of guidelines will be issued for Christmas and new year, he said.

While no cases of Omicron has been reported in the state so far, experts have told the state government that the new Omicr...