Shares of Epack Durable Ltd. listed at Rs 221 apiece on the NSE, a discount of 3.91% to their IPO price of Rs 230 apiece.The 640.05 crore IPO was subscribed 16.37 times on the final day. The bids were led by non-institutional investors (28.10 times), retail investors (6.29 times) and institutional investors (25.50 times).