Announcing the names of the givers might embarrass others who were perhaps unable to afford to give a gift. Granted, it is not wrong for the bride and groom to know who gave a certain gift.
अर्थात एखादी भेटवस्तू कोणी दिली हे वधूवरास जाणून घ्यावेसे वाटत असेल तर त्यात गैर काही नाही.