ipo 138Apex Ecotech IPO subscribed overall 457.07 times on the last day, whilea retail quota was subscribed 329.65 times and QIB was 136.69 and NII 1,179.62 respectively.. Details About Apex Ecotech’s IPO. Apex EcotechNTPC Green Energy IPO is a main-board IPO of 925925926 equity shares of the face value of ₹10 aggregating up to ₹10,000.00 Crores. The issue is priced at ₹108 per share.