Article Detail Which is Largest railway route in India ? Answer: Dibrugarh in Assam to Kannyakumari in Tamil Nadu. Similar Questions : 1. Which is the Largest lake of the world ? Answer: Caspian Sea (371,000 sq km) 2. Which is the state largest by area in India ? Answer: Rajasthan 3. Which is Longest national highway of India ? Answer: NH-7 ( Varanasi to Kanyakumari - 2,369 km) 4. What is the name of tallest Animal ? Answer: Giraffe 5. Which Indian state is having longest coastline ? Answer: Gujrat 6. Which is largest Delta of India ? Answer: Sundarban (W. Bengal) 7. Which is Biggest ocean in the world ? Answer: Pacific ocean Read more from - Longest and Largest