The ₹601-crore IPO of Ecos (India) Mobility and Hospitality is open for subscription from August 28-30 at price band of ₹318-334 per share. Investors can bid for a minimum of 44 shares, requiring an investment of ₹14,256. Ahead of listing, unlisted shares of the corporate car rental service-provider were reportedly trading ₹194 higher than IPO price in the grey market.