In India the infections are over. Total number of infections is now 1 per 1,000,000 so very little. Now regular flights service to India from all over the world. No RT-PCR test more when you have full vaccination certificate. Complete the self-declaration form on the online Air Suvidha portal. (https://www.newdelhiairport.in/airsuvidha/aphoregistration)
In Nepal, infections remain low at 1 per 1,000,000. No RT-PCR test more when you have full vaccination certificate.
Please Note : RT- PCR test can still necessary by airlines and stopovers.