United Airlines.  Delhi to Hyd operated by Vistara. Newark, NJ to Hyderabad via Delhi. ———————— Forms I carried along: 1) RT-PCR (taken within 3-4 days before the travel) 2) Travel advisory for the month of the travel (not needed, just in case) 3) Relative sick letter( they did not bother checking as I have a negtive covid form already) If you meet one of the 5 exceptions listed on this website: you are more than fine. Easy one - take covid test with negative