This study sets out to do two things. Firstly, it seeks to contribute to the burgeoning literature on ontological security in International Relations (IR)... Secondly, I hope to say something about Indian nationalism by making the case for Bangladesh’s importance in the project of nation-curation. I show how the uncodability of the Bangladeshi migrant and the Indian citizen presents an ontological threat to the Indian nation, portending an implosion of selfhood by undermining claims to an ontic reality for something called the Indian nation...