There is absolutely no public information on a selected "hdb feed-back variety 1k 28" as this is simply not a regular HDB identifier. Even so, HDB gives a number of channels for feedback. The most crucial system is from the "Compose to Us" e-suggestions variety over the HDB Internet site. https://caidenfikmn.boyblogguide.com/36074849/hdb-feedback-form-1k-28