Blinkit is owned by Eternal Ltd., Instamart is operated by Swiggy Ltd., and Zepto is independently owned and currently raising funds at a multi-billion-dollar valuation. Zomato, Swiggy, and Zepto did not respond to requests for comment. Under CCI procedures, complaints are first reviewed for apparent violations of competition law before being referred to the director general for a detailed probe, if required. If taken forward, this would mark another high-profile antitrust investigation in India's online retail space. In December, the Supreme Court transferred all cases related to the CCI's probe against Amazon and Flipkart to the Karnataka High Court. --IANS