Article Detail Which is Largest railway route in India ? Answer: Dibrugarh in Assam to Kannyakumari in Tamil Nadu. Similar Questions : 1. Which is smallest and largest bird ? Answer: Smallest Bird is Humming Bird and Largest bird is Ostrich 2. What is the name of brightest star ? Answer: Sirius 3. Which is Biggest ocean in the world ? Answer: Pacific ocean 4. Longest rail tunnel in the world ? Answer: Seikan Tunnel (Japan - 53.9 Km) 5. Which is smallest planet ? Answer: Mercury 6. Which is Largest railway route in India ? Answer: Dibrugarh in Assam to Kannyakumari in Tamil Nadu. 7. Which is longest river in world ? Answer: Nile, Africa Read more from - Longest and Largest