In 2017, when venture capitalist Suresh Narasimha founded his company Cocreate Ventures, he wanted to fund entrepreneurial ideas that were worth keeping alive. Before covid-19 played havoc with the fate of “non-essential businesses”, JustBooks was buying books worth ₹4 crore each year, Narasimha says—the sum that was its annual revenue a decade ago. “We have long invested in free home …