There is no public information on a selected "hdb feed-back sort 1k 28" as this is simply not a regular HDB identifier. Nonetheless, HDB gives a number of channels for feedback. The main system is from the "Compose to Us" e-suggestions variety over the HDB Internet site. This kind enables https://martinxacdf.activosblog.com/35962976/hdb-feedback-form-1k-28