 The IPO opened on 18 July 2007, and closed on 31 July 2007.The IPO was oversubscribed by an average of 363.5 per cent with the retail segment, recording the highest oversubscription of 715 per cent.For the first time ever, the transaction team implemented the delivery versus payment (DVP) method, which allowed institutional investors and insurance firms to hold off payment until the share allocation was completed.