Dependant on my lookup, the overall HDB hotline is 1800-225-5432 . It is just a Department Business Service Line that operates on weekdays from 8:00 AM to five:00 PM. On top of that, you will find other Make contact with figures for certain providers: * HDB Major Line: 6490-1111 (for https://mayad320pdq6.wikififfi.com/user