How bad is India's water crisis? What has led us to this place? And what can be done to solve it? In this episode, Sandip is joined by Mridula Ramesh to talk about India's groundwater crisis. From the Indus Valley civilisation, to British policies that still affect us, Ramesh tells us about all that has caused India's grave water crisis.

Ramesh is the author of the new book, Watershed: How We Destroyed India's Water and How We Can Save It. She is founder of the Sundaram Climate Institute, which focuses on waste and water solutions.