The ₹160-crore SME IPO of Rajesh Power Services is open for subscription from November 25-27 at a price band of ₹319-335 per share. Retail investors can bid for minimum of 400 shares, requiring an investment of ₹1,34,000. Ahead of listing, unlisted shares of the power sector consultancy firm were reportedly trading with ₹90 premium in the grey market.