Excelsoft Technologies' Rs 500 crore Initial Public Offering (IPO) is open for bidding from November 19 to November 21, with shares priced between Rs 114-120. The company plans to use the funds for expansion and upgrades. While operating in the growing EdTech SaaS sector and showing strong profit growth, investors are weighing concerns about client concentration and high valuations, with mild optimism seen in the grey market.