Multiple Indian unicorns have seen a markdown in their valuations by private investors. On Wednesday, it was reported that Vanguard marked down Ola's valuation by 35% to $4.8 billion. A couple of days ago, Swiggy's valuation was reported to be halved by Invesco, to $5.5 billion. Earlier, the world's biggest asset management company BlackRock slashed BYJU'S valuation by 50% internally.