Largest and Longest in (India & World)

Longest river (India)	Ganges
Longest river (World)	Nile
Longest Railway(World)	Trans-Siberian railway
Longest Railway Station (World)	Grand Central Terminal, Chicago (U.S.A.)
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 Railway Bridge in the World	Huey P. Long Bridge, Louisiana (U.S.A.)
Longest Irrigational Canal	The Kalakumsky Canal
Longest Canal in World	Suez Canal
Longest Beach in India	Marina Beach, Chennai
Longest Tunnel in World (Railway)	Tanna (Japan)
Longest Tunnel in World (Road)	Mont Blanc Tunnel between France and Italy
Longest Wall (World)	Great wall of China
Largest Zoo (World)	Kruger National Park, South Africa
Largest Bird	Ostrich
Largest Archipelago	Indonesia
Largest Church	Saint Cathedral (Goa)
Largest Museum	National Museum, Kolkata
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 forest state	M.P.
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 City in Population	Tokyo
Largest Continent	Asia
Largest (Population) Country	China
Largest (Electorate) Country	India
Largest Creature	Blue Whale
Largest Delta	Sunderban (Bangladesh & India)
Largest Desert (World)	Sahara (Africa)
Largest Desert (Asia)	Gobi
Largest Dam (World)	Grand Coulee Dam (U.S.A.)
Largest Diamond	The Cullinan
Largest Dome	Astrodome, in Housten (U.S.A.)
Largest Epic	Mahabharat
Largest Irrigation Scheme	Lloyd Barrage, Sukkur (Pakistan)
Largest Island (World)	Greenland
Largest Sea	Mediterranean sea
Largest Lake (Artificial)	Lake Mead (Boulder Dam)
Largest Lake (Fresh water)	Superior
Largest Lake(Salt water)	Caspian
Largest Library	United State Library of Congress, Washington D.C.
Largest Museum	British Museum, London
Largest Ocean	Pacific
Largest Park	Yellow Stone National Park (U.S.A.)
Largest Peninsula	Arabia
Largest River	Amazon (S. America)
Largest Sea-bird	Albatross
Largest Radio Telescope	New Mexico (U.S.A.)
Highest City	Van Chuan (China)
Tallest Statue	Statue of Motherland, Volgagrad (Russia)
Highest Volcano	Ojos del Salado (Andes, Ecuador)
Highest Waterfall	Angel (Venezuela)
Highest Lake	Titicaca (Bolivia)
Highest Dam (World)	Hoover Dam (U.S.A.)
Highest Capital	La Paz (Boliva)
Highest Tower (India)	Pitampura Tower, Delhi
Highest Waterfall	Gersoppa waterfall (Karnataka)
Highest mountain peak in India	Godwin Austin (K2)
Highest Dam in India	Tehri Dam on Bhagirathi River
Highest Gateway	Buland Darwaza, Fatehpur Sikri (Agra)
Highest straight gravity Dam	Bhakra Dam
Highest Lake	Devatal (Garhwal)
Highest Award	Bharat Ratna
Highest Gallantry Award	Paramveer Chakra
Highest Battle field	Siachin Glacier
Highest   Airport	Len (Laddakh)
Tallest Animal	Giraffe
Fastest Bird	Swift
Smallest Bird	Humming Bird
Tallest in the World Building	Burj, Dubai (UAE)
Biggest City in Area	Mount Isa Australia
Costliest City	Tokyo
Smallest Continent	Australia
Biggest Country(Area)	Russia
Deepest Lake	Baikal (Siberia)
Highest Mountain Peak	Mount Everest (Nepal)
Longest Mountain Range	Andes (S. America)
Biggest Palace	Vatican (Italy)
Coldest Place(Habitated)	Verkhoyank (Siberia)
Dryest Place	Iqique (In Atacama Desert, Chile)
Hottest Place	Azizia (Libya, Africa)
Biggest Planet	Jupiter
Brightest Planet	Venus
Highest Plateau	Pamir (Tibet)
Smallest Planet	Mercury
Rainiest Place	Mausinram (Meghalaya, India)
Brightest Star	Sirius
World’s first Tramway	New York
Most Active Volcano	Maunaloa (Hawail-U.S.A.)
Lowest body Water	Dead Sea
Densest populated State	West Bengal
Biggest Hotel	Oberal –Sharaton (Mumbai)
Smallest State (Area)	Goa
Smallest State (Population)	Sikkim
Place of heaviest rainfall	Mausinram (Meghalaya)
Deepest river valley	Bhagirathi & Alaknanda