Rakhi Sawant has once again stirred up social media, this time by taking a direct shot at popular content creator Vikas Phatak, better known as Hindustani Bhau, over his controversial stance.

But for author Supriya Newar, it is also a homecoming. While her new book, Justaju, marks her debut in Hindustani poetry, her tryst with the language has been a lifelong one. The book’s title, meaning ...