Zerodha Co-founder Nikhil Kamath is set to invest in Bengaluru-based electric vehicle (EV) maker Ather Energy via secondary share sale, a report said. The amount that the entrepreneur would invest is not clear. The startup recently secured ₹900 crore in a rights issue from Hero MotoCorp and Singapore's GIC. Kamath recently invested ₹100 crore in online gaming company Nazara Technologies.