Explore details about location TNHB Phase 1 Main Rd. TNHB Phase 1 Main Rd is a location situated within the Vellore district alongside other areas such as TNHBPhase 1 2nd Main Rd, Arcot - Kannamangalam Road, Ida Scudder Road. Additionally, some smaller parts of TNHB Phase 1 Main Rd include specific areas like Georgepet Main Road adding to the diversity of its landscape.