All travelers should go for 14 days of home quarantine with self-monitoring of health. And will be allowed to travel to their destination by taxi or private car.
After buying flight tickets, travellers have to register their details in the Covid-19 Jagratha portal https://covid19jagratha.kerala.nic.in/ and obtain a travel permit.
All travelers should install Aarogya Setu app.
At the time of boarding, only asymptomatic travelers will be allowed to board after thermal screening.
On arrival, thermal screening would be carried out in respect of all the passengers by the Health officials present at the airport. The passengers found to be symptomatic during screening shall be immediately isolated and taken to medical facility as per health protocol.
Source: https://www.mohfw.gov.in/pdf/Guidelinesfordomestictravel(airortrainorinter-statebustravel).pdf