Clean Max Enviro Energy Solutions IPO: From GMP to issue size, and more – 10 key things to know before subscribing by Live mint | February 20, 2026 9:14 am | Indian Stocks, Market, News Clean Max Enviro Energy Solutions IPO opens for subscription on February 23 and closes on February 25, with a price band of ₹1,000 to ₹1,053. The grey market trend shows a modest premium with the GMP at ₹7 per share, down from ₹14 earlier.