Frugal tech: The start-ups working on cheap innovation

Devina GuptaBusiness reporterMansukh PrajapatiAn earthquake changed the life of Mansukh PrajapatiFor Mansukh Prajapati, childhood in the western Indian city of Morbi began before sunrise, with a six-mile walk to collect clay for their family business."My father was a potter," he recalls.Often he would wake up to the rhythmic sound of his father at work at his potter's wheel."My mother and I would get up at four…