According to my lookup, the overall HDB hotline is 1800-225-5432 . It's really a Department Office Support Line that operates on weekdays from 8:00 AM to 5:00 PM.Furthermore, you will discover other contact quantities for specific services:* HDB Primary Line: 6490-1111 (for common enquiries, weekdays 8:thirty AM - five:00 PM)* Necessary Servici