The startup, whose name playfully uses a mathematical term to describe the business, offers a 10-minute grocery delivery service. 19-year-old Palicha said these dark stores, which the startup has set up and owns, are designed and optimized for fast deliveries. Nexus and Y Combinator as well as angel investors Lachy Groom, Neeraj Arora, and Manik Gupta participated in the round, which according to two people familiar with the matter, values Zepto between $200 million and $300 million.