Article Detail Which is longest tributary river of India ? Answer: Yamuna Similar Questions : 1. Which is longest river in world ? Answer: Nile, Africa 2. Which is longest railway station ? Answer: Grand Central Terminal, Chicago(USA). 3. Which is the longest Platform ? Answer: Gorakhpur railway station, Uttar Pradesh, India (1355.40 meters) 4. Which is biggest planet ? Answer: Jupiter 5. Which is Largest railway route in India ? Answer: Dibrugarh in Assam to Kannyakumari in Tamil Nadu. 6. Which is Highest Gallantry Award in India ? Answer: Paramveer Chakra 7. Which is the largest epic in world ? Answer: Mahabharat Read more from - Longest and Largest