According to my lookup, the general HDB hotline is 1800-225-5432 . It's a Department Business Service Line that operates on weekdays from eight:00 AM to 5:00 PM. Additionally, there are other contact figures for certain solutions: * HDB Main Line: 6490-1111 (for normal enquiries, weekdays 8:thirty AM - five:00 PM) https://anniem653wkw8.theobloggers.com/profile