Solarworld Energy Solutions and Seshaasai Technologies’ IPOs closed with massive oversubscription. Solarworld’s ₹490 crore issue was subscribed 65 times, while Seshaasai’s ₹813 crore offering drew 68.13 times bids. Solarworld is a solar engineering & construction firm, while Seshaasai provides technology-driven solutions. Both companies are likely to make their stock market debut on September 30.