Episode details
Available for over a year
Twice a year, professor Anil Gupta leads a troop of followers on foot across villages in India in search of local knowledge and inventions. Peter Day joins them.
Programme WebsiteUse BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK.
Available for over a year
Twice a year, professor Anil Gupta leads a troop of followers on foot across villages in India in search of local knowledge and inventions. Peter Day joins them.
Programme Website