It is very important to know about the longest and largest in India. Questions related to General Knowledge is most common for all kinds of competitive exams. Here is a list:
- The longest tributary river of India: Yamuna
- The longest river of the south India: Godavari
- Longest Electric railway line in India: From Delhi to Kolkata via Patna
- Longest Road: Grand Trunk Road
- State with longest coastline in India: Gujarat
- Longest railway route in India: Dibrugarh in Assam to Kannyakumari in Tamil Nadu
- Longest tunnel: Jawahar tunnel (Jammu & Kashmir)
- Longest national highway in India: NH-7 which runs from Varanasi to Kanyakumari
- Longest Dam in India: Hirakund Dam (Orissa)
- Longest River Bride in India: Mahatma Gandhi Setu, Patna
- Longest populated city: Mumbai (1.60 crore)
- Longest Railway Platform: Gorakhpur (Uttar Pradesh)
- Longest river which forms estuary in India: Narmada
- State with longest coastline of South India: Andhra Pradesh
- Longest Beach in India: Marina Beach, Chennai
- Largest Delta: Sunderban Delta, W. Bengal
- Largest Dome: Gol Gumbaz, Bijapur (Karnataka)
- Largest Zoo (India): Zoological Gardens, Alipur, Kolkata
- Largest man-made Lake: Govind Vallabh Pant Sagar (Rihand Dam)
- Largest Desert: Thar (Rajasthan)
- Largest lake (Fresh water): Wular lake (Kashmir)Largest Mosque: Jama Masjid, Delhi
- Largest State (Area): Rajasthan
- Largest cave temple: Kailash temple, Ellora (Maharashtra)
- Largest animal Fair: Sonepur (Bihar)
- Largest State (Population): Uttar Pradesh
- Largest corridor: Rameshwaram temple corridor (Tamil Nadu)
- Largest cantilever span bride: Howrah Bridge (Kolkata)
- Largest Stadium: Salt lake (Yuva Bharti), Kolkata
- Largest Port: Mumbai
- Largest Gurudwara: Golden Temple, Amritsar
- Largest river island: Majuli (Brahmaputra river, Assam)
- Largest Planetarium: Birla Planetarium (Kolkata)
- Largest Lake (Saline water): Chika lake, Orissa
- Largest (Electorate) Country: India
- Largest Epic: Mahabharat