Largest Longest Highest and Smallest in India

Longest River	Ganges
The Longest Tributary River of India	Yamuna
The Longest River of the South	Godavari
Highest Mountain Peak	Godwin Austin (K2)
Largest Lake (Fresh Water)	Wular Lake (Kashmir)
Highest Dam	Bhakra Dam (Punjab)
Largest Mosque	Jama Masjid, Delhi
Longest Road	Grand Trunk Road
State with Longest Coastline	Gujarat
Longest Railway Route	From Jammu to Kanyakumari
Longest Tunnel	Jawahar tunnel (Jammu & Kashmir)
Longest National Highway	NH - 7 which runs from Varanasi to Kanyakumari
Longest Dam	Hirakud Dam (Orissa)
Longest River Bridge	Mahatma Gandhi Setu, Patna

Longest River	Ganges
Largest Populated City	Mumbai ( 1.60 crore )
Largest Museum	National Museum, Kolkata
Largest Delta	Sunderban Delta, W. Bengal
Largest Dome	Gol Gumbaz, Bijapur ( Karnataka )
Largest Zoo	Zoological Gardens, Alipur, Kolkata
Largest Man - made Lake	Govind Vallabh Pant Sagar ( Rihand Dam )
Largest Desert	Thar ( Rajasthan )
Highest Tower	Pitampura Tower, Delhi

Smallest State ( Area )	Goa
Smallest State ( Population )	Sikim
Highest Waterfall	Gersoppa waterfall ( Karnataka )
Longest Electric Railway Line	From Delhi to Kolkata via Patna
Densest Populated State	West Bengal
Largest Cave Temple	Kailash temple, Ellora ( Maharashtra )
Largest Animal Fair	Sonepur ( Bihar )
Highest Gateway	Buland Darwuza, Fatehpur Sikri ( Agra )
Biggest Hotel	Oberai-Sheraton ( Mumbai )
Largest State ( Area )	Rajasthan
Largest State ( Population )	Uttar Pradesh
Place of Heaviest Rainfall	Mausinram ( Meghalaya )
Largest Corridor	Rameshwaram temple corridor ( Tamil Nadu )
Largest Cantilever Span Bridge	Howrah Bridge ( Kolkata )
Largest Forest State	Madhya Pradesh
Highest Straight Gravity Dam	Bhakra Dam
Longest Railway Platform	Kharagpur ( W. Bengal )
Largest Stadium	Salt Lake ( Yuva Bharti ), Kolkata
Largest Port	Mumbai
Highest Lake	Devatal (Garhwal)
Largest Lake (Saline Water)	Chilka Lake, Orissa
Highest Award	Bharat Ratna
Highest Gallantry Award	Paramveer Chakra
Largest Gurudwara	Golden Temple, Amritsar
Deepest River Valley	Bhagirathi & Alaknanda
State with Longest Coastline of South India	Andhra Pradesh
Longest River which forms estuary	Narmada
Largest Church	Saint Cathedral ( Goa )
Longest Beach	Marina Beach, Chennai

Highest Battle Field	Siachin Glacier
Highest Airport	Leh ( Laddakh )
Largest River Island	Majuli ( Brahmaputra River, Assam )
Largest Planetarium	Birla Planetarium ( Kolkata )

                                                                                                                   By: ROSHAN GOUR