Peggy Mohan is a professor of linguistics and the author of several books including 'Wanderers, Kings, Merchants' (2021), which won the Mathrubhumi Book of the Year Award. She’s taught linguistics at Howard University, Washington D.C., Jawaharlal Nehru University, and Ashoka University, and mass communications at Jamia Milia Islamia, New Delhi. She spoke with Outlook's Avantika Mehta about the decline of North Indian regional languages, the importance of acceptance and diplomacy in multi-language polities.