The service is allowed to start with a maximum 20 million users.
Ankhi Das’s exit comes amid row over data privacy violations and how political content is handled in India.
The boycott has more to do with threatening Facebook's reputation than its revenue, experts say.
President Trump's eldest son hinted in February at removing legal protections from social media giants that discriminate against their users on the basis of politics. The White House turned that into a policy goal in May.