Logistics startup Shadowfax Technologies has filed an updated draft red herring prospectus (DRHP) with the SEBI to raise funds via an IPO. The issue comprises a fresh issue of shares worth ₹1,000 crore and an offer-for-sale (OFS) worth up to ₹1,000 crore. Existing shareholders, including Flipkart, TPG and Snapdeal co-founders, will partially divest their stakes through the OFS.