Article Detail Which is longest river of India Answer: Ganges Similar Questions : 1. Which is the highest Plateau ? Answer: Pamir, Tibet 2. Which is Place of heaviest rainfall ? Answer: Mausinram (Meghalaya) 3. Which is Longest road tunnel in the World ? Answer: Lærdal Tunnel (Norway - 24.51 kilometre) 4. Which is the state largest by area in India ? Answer: Rajasthan 5. Which is largest Dome in India ? Answer: Gol Gumbaz (Karnataka) 6. Which is Longest national highway of India ? Answer: NH-7 ( Varanasi to Kanyakumari - 2,369 km) 7. Which is the longest rail tunnel in India ? Answer: Pir Panjal (J&k, 11215 metre) Read more from - Longest and Largest