The chief minister of Rajasthan, Vasundhara Raje, launched a new ad-campaign and a logo for the state’s tourism department in January this year hoping to significantly boost the number of tourists.

For nearly six decades, Leela Somani has learnt, recorded and preserved Rajasthani folk songs. A new book tells her story. In Marwari, 78-year-old Leela Somani’s mother tongue, there is an old saying: ...