HDB Financial surged over ₹100 above the IPO price on Day 1, listing at ₹830 vs issue price of ₹740. Analyst Mayank Chandel cites strong HDFC group backing, solid fundamentals, and limited float as key drivers. With a 4:1 buy-sell ratio, demand was robust. Chandel recommends long-term investors to enter, while short-term investors to wait.