Longest and Largest

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 in India	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 in India	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 in India	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 in India	Saint Cathedral (Goa)
Largest Museum in India	National Museum, Kolkata
Largest Delta	Sunderban Delta, W. Bengal
Largest Dome in India	Gol Gumbaz, Bijapur (Karnataka)
Largest Zoo (India)	Zoological Gardens, Alipur, Kolkata
Largest man-made Lake in India	Govind Vallabh Pant Sagar (Rihand Dam)
Largest Desert in India	Thar (Rajasthan)
Largest lake (Fresh water) in India	Wular lake (Kashmir)
Largest Mosque in India	Jama Masjid, Delhi
Largest State (Area) in India	Rajasthan
Largest cave temple in India	Kailash temple, Ellora (Maharashtra)
Largest animal Fair in India	Sonepur (Bihar)
Largest State (Population) in India	Uttar Pradesh
Largest corridor in India	Rameshwaram temple corridor (Tamil Nadu)
Largest cantilever span bride	Howrah Bridge (Kolkata)
Largest forest state in India	M.P.
Largest Stadium in India	Salt lake (Yuva Bharti), Kolkata
Largest Port in India	Mumbai
Largest Gurudwara in India	Golden Temple, Amritsar
Largest river island	Majuli (Brahmaputra river, Assam)
Largest Planetarium in India	Birla Planetarium (Kolkata)
Largest Lake (Saline water) in India	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 in the World	The Cullinan
Largest Dome in the World	Astrodome, in Housten (U.S.A.)
Largest Epic in the World	Mahabharat
Largest Irrigation Scheme in World	Lloyd Barrage, Sukkur (Pakistan)
Largest Island (World)	Greenland
Largest Sea in the World	Mediterranean sea
Largest Lake (Artificial) in the World	Lake Mead (Boulder Dam)
Largest Lake (Fresh water) in the World	Superior
Largest Lake(Salt water) in the World	Caspian
Largest Library in the World	United State Library of Congress, Washington D.C.
Largest Museum in the World	British Museum, London
Largest Ocean	Pacific
Largest Park in the World	Yellow Stone National Park (U.S.A.)
Largest Peninsula in the World	Arabia
Largest River(deepest) in the Worlds	Amazon (S. America)
Largest Sea-bird	Albatross
Largest Radio Telescope	New Mexico (U.S.A.)
Highest City in the World	Van Chuan (China)
Tallest Statue	Statue of Motherland, Volgagrad (Russia)
Highest Volcano in the World	Ojos del Salado (Andes, Ecuador)
Highest Waterfall in the World	Angel (Venezuela)
Highest Lake in the World	Titicaca (Bolivia)
Highest Dam (World)	Hoover Dam (U.S.A.)
Highest Capital in the World	La Paz (Boliva)
Highest Tower (India)	Pitampura Tower, Delhi
Highest Waterfall in India	Gersoppa waterfall (Karnataka)
Highest mountain peak in India	Godwin Austin (K2)
Highest Dam in India	Tehri Dam on Bhagirathi River
Highest Gateway in India	Buland Darwaza, Fatehpur Sikri (Agra)
Highest straight gravity Dam	Bhakra Dam
Highest Lake in India	Devatal (Garhwal)
Highest Award in India	Bharat Ratna
Highest Gallantry Award in India	Paramveer Chakra
Highest Battle field in India	Siachin Glacier
Highest   Airport in India	Len (Laddakh)
Tallest Animal in the World	Giraffe
Fastest Bird in the World	Swift
Smallest Bird in the World	Humming Bird
Tallest Building in the World	Burj, Dubai (UAE)
Biggest City(Area) in the World	Mount Isa Australia
Costliest City in the World	Tokyo
Smallest Continent	Australia
Biggest Country(Area) in the World	Russia
Deepest Lake in the World	Baikal (Siberia)
Highest Mountain Peak in the World	Mount Everest (Nepal)
Longest Mountain Range in the World	Andes (S. America)
Biggest Palace in the World	Vatican (Italy)
Coldest Place(Habitated) in the World	Verkhoyank (Siberia)
Dryest Place in the World	Iqique (In Atacama Desert, Chile)
Hottest Place in the World	Azizia (Libya, Africa)
Biggest Planet	Jupiter
Brightest Planet	Venus
Highest Plateau in the World	Pamir (Tibet)
Smallest Planet	Mercury
Rainiest Place in the World	Mausinram (Meghalaya, India)
Brightest Star	Sirius
World’s first Tramway	New York
Most Active Volcano in the World	Maunaloa (Hawail-U.S.A.)
Lowest body Water in the World	Dead Sea
Densest populated State in India	West Bengal
Biggest Hotel in India	Oberal - Sharaton (Mumbai)
Smallest State (Area) in India	Goa
Smallest State (Population) in India	Sikkim
Deepest river valley in India	Bhagirathi & Alaknanda