The initial share sale of Concord Enviro Systems Ltd, an environmental engineering solutions firm, received 59 per cent subscription on the first day of bidding on Thursday. The initial public offering (IPO) got bids for 29,79,585 shares against 50,15,356 shares on offer, as per data available with the NSE. The retail individual investors (RIIs) portion received 1.02 times subscription while non-institutional investors part got subscribed 35 per cent. Concord Enviro Systems has raised Rs 150 crore from anchor investors. The Rs 500-crore IPO will close on December 23. The shares are available in a price range of Rs 665-701 per share. The IPO comprises a fresh issuance of equity shares worth Rs 175 crore and an offer-for-sale (OFS) of 46.41 lakh equity shares valued at Rs 325.33 crore, at the upper-end of the price band, by promoters and an investor. This aggregates the issue size to Rs 500.33 crore. Those selling shares in the OFS are, promoters Prayas Goel and Prerak Goel, promo