Palakkad to Pondicherry Theni to Villupuram Krishnagiri to Vytilla Neyveli to Malappuram Naidupeta to Eluru Vellore to Bangalore Tirupathi to Trichy Cochin to Cuddallore Poonamallee to Bangalore Villupuram to Aluva Villupuram to Kadayanallur Villupuram to Rameshwaram Pondicherry to Dindigul Pondicherry to Palakkad Pondicherry to SPIC Nagar Thiruvarur to Chennai Erode to Vellore Hosur to Coonoor Angamaly to Pondicherry Aluva to Cuddallore Chennai to Chidambaram Chennai to Nagercoil Chennai to Vadakkanchery Chittoor (Andhra Pradesh) to Virudhunagar Kavalkinaru to Chennai