Based upon my research, the overall HDB hotline is 1800-225-5432 . It is just a Department Business office Assistance Line that operates on weekdays from 8:00 AM to 5:00 PM. Additionally, you will find other Speak to numbers for specific products and services: * HDB Most important Line: 6490-1111 (for https://marvind219kxi2.blog-a-story.com/profile