New Delhi: Surbhi Sharma’s room is a window into her hybrid life: The study-cum-coffee table sports a yoga book, a Premchand novel and a children’s storybook in Korean. The steel almirah full of Korean study material has a Ganesha sticker on the outside. And her elder sister’s most prized possession is a CD by K-pop band EXO. Most days, the three Sharma sisters – two of whom do not wish to be named – switch effortlessly between Hindi, English and Korean, helping each other understand Korean grammar patterns and navigate tricky pronunciations. Over the past decade, homes like these have...