Depending on 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 can find other Call quantities for unique services: * HDB Main Line: 6490-1111 (for general enquiries, weekdays eight:thirty AM - https://paull642rdo4.thelateblog.com/profile