Based on my research, the general HDB hotline is 1800-225-5432 . This is a Branch Office environment Service Line that operates on weekdays from eight:00 AM to five:00 PM. In addition, there are other contact numbers for specific solutions: * HDB Primary Line: 6490-1111 (for basic enquiries, weekdays 8:thirty AM https://kingb985xhr5.oblogation.com/profile