Unimech Aerospace and Manufacturing Ltd.'s IPO received 3.81 times subscription on its first day. Retail investors showed the most enthusiasm, with 4.45 times subscription. The ₹500 crore IPO includes a fresh issue of ₹250 crore and an offer-for-sale of the same amount. The price range is ₹745-785 per share, and shares will be listed on BSE and NSE.