To redeem your investments in the direct plan of Aditya Birla Sun Life CRISIL IBX AAA NBFC-HFC Index Dec 2025 Fund, you can use their mobile app or desktop webpage. After logging in, you need to select either a specified amount or a specified number of units to redeem. For investments made in the regular plan through Registrar and Transfer Agent (RTA) or Mutual Fund Distributor (MFD), you can submit a duly signed redemption form to the respective RTA/MFD or redeem online through their portal, if available.