https://www.oneindia.com/india/domestic-flights-may-resume-by-may-18-aarogya-setu-app-mandatory-for-passengers-3086624.htmlTravelers will be asked to download the Aarogya Setu app mandatorily and the app will act as an e-pass for their travel. (you will only be allowed if the app shows green status).
Apart from that it will be compulsory for the passengers to wear face cover and undergo screening at departure and only asymptomatic passengers will be allowed to board the flights.
Domestic flight may resume from May 18.