Depending on my lookup, the general HDB hotline is 1800-225-5432 . It's a Branch Office Service Line that operates on weekdays from eight:00 AM to 5:00 PM. Additionally, there are other Call figures for particular products and services: * HDB Major Line: 6490-1111 (for common enquiries, weekdays eight:thirty AM - https://johnr875boa9.wikiworldstock.com/user