New Delhi, May 23 -- A Delhi business executive who has an all-important business meeting in Bengaluru can now fly to the southern city -- domestic airline services are being restored from Monday -- but faces the prospect of a seven-day quarantine at a state-run institution and another seven days out of it.

To avoid it, travellers will have to provide a Covid-19 negative certificate from an Indian Council of Medical Research approved laboratory , based on a test and dated two days before the date of travel.

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Karnataka, Punjab, and Kerala have decided on a 14-day quarantine for domestic passengers, with variations. Karnataka's is restricted to travellers from areas with a high incidence (such as Delhi); Punjab and Kerala have mandated...