You don’t have to go to art school to become a successful artistLast week’s Frieze Art Fair in London exhibited some of the world’s most successful artists (and some eye-wateringly expensive art), but you don’t need years at art school – or Jay Jopling on speed dial – to make it big in the art world. Mumbai-based art collective Chamar Studio has been taking the art world by storm with its chairs, bags, and accessories all created by former Dalits – among India’s most marginalised citizens – who have switched from working with leather to working with rubber tyres. Image: Chamar Studios