Dependant on my search, the general HDB hotline is 1800-225-5432 . This is a Department Business Services Line that operates on weekdays from 8:00 AM to 5:00 PM. In addition, you can find other Call quantities for specific services: * HDB Primary Line: 6490-1111 (for basic enquiries, weekdays 8:30 AM https://friedrichh319hsd9.newbigblog.com/profile