Some insight on the negotiations going on:
https://economictimes.indiatimes.com...w/76276555.cms
Lufthansa group (which operates airline brands like Lufthansa, SWISS, etc) have offered to fly ferry (empty) flights to India and carry passengers only on its outbound flights to destinations in Europe. A decision is yet to be taken on this matter," said the senior government official.
[...], there is a pent up demand for outbound international travel, especially among non-resident Indians (NRIs) who are in a hurry to go back either for personal or professional reasons.