Longest in India

1. Longest River in India - The Ganges
2. Longest Tributary river of India - Yamuna
3. The longest river of the south – Godavari
4. Longest river which forms estuary - Narmada
5. Longest Cantilever Span Bridge - Howrah Bridge
6. Longest River Bridge - Mahatma Gandhi Setu, Patna
7. Longest Canal - Indira Gandhi Canal or Rajasthan Canal (Rajasthan)
8. State with longest coastline – Gujarat
9. State with longest coastline of South India - Andhra Pradesh
10. Longest Electric Railway Line - From Delhi to Kolkata via Patna
11. Longest Railway Route - From Assam to Kanyakumari
12. Longest Railway Platform - Kharagpur (W. Bengal)
13. Longest Tunnel (Road)  - Jawahar tunnel (Jammu & Kashmir)
14. Longest Tunnel (Railway) -  Between Monkey Hill and Khandala stations
15. Longest Highway - NH-44 (NH-7) which turns from Varanasi to Kanyakumari
16. Longest Beach - Marina Beach, Chennai
17. Longest Corridor -  Ramanathaswamy Corridor, Tamil Nadu (1,220 mt.)
18. Longest Dam -  Hirakud Dam (Odisha)
19. Longest Road - Grand Trunk Road
20. Longest Bridge - Sone Bridge
21. Longest Statue- Statue of Gomateswara, Karanataka