The Securities and Exchange Board of India (Sebi) and the Association of Investment Bankers of India (AIBI) are discussing a revision in fundraising norms to ease the threshold for changes to the issue size of initial public offerings (IPO), according to two people privy to the discussions. “AIBI has made a representation to Sebi to change the 20% threshold for the filing of a fresh DRHP (draft red herring prospectus) in case there are changes in the issue size for fresh fund raises.