India's largest, longest, tallest, highest things 

India's largest, longest, tallest, highest things , GK

Highest honor: Bharat Ratna highest
Military honors; Param Vir Chakra
The most populous cities: Mumbai
 The largest state of Rajasthan: Rajasthan
Longest river: Brahmaputra
The longest river along the main river: Jamuna
The largest lake in the world: Ular Hammad of Kashmir
The largest salt lake in the world: Chilka, Odisha
The largest lake of human being created by: Gaibinda Ballwell Passage Sagar (Behind Dam)
Hood at the highest point of the earth's surface: Devatal Lake, Garhayal, Uttarakhand
Longest Canal: Indira Gandhi or Rajasthan Canal
The largest dome: Gell Dome, Bijapur
Zoo: Alipuri Zoo, Calcutta
Largest Museum: Indian Museum, Calcutta
Longest Dam: Hirakum
Orissa highest dam: Vakra dam (225.5m)
Highest Pillar: Kutab Minar, Delhi (88.4 m) Largest Desert: Thar, Rajasthan
The largest district: Ladakh
Longest coastline (state): Gujarat
Southern India's longest coastline: Andhra Pradesh
Longest railway route: Jammu - Kanyakumari
The longest platform: Kharagpur (833 m, the world's longest platform)
Longest tunnels: Jawahar Tunnel (Jammu and Kashmir)
Longest Highway: NH-7, Virgin Virgo from Virgin
The most densely populated state: West Bengal
Longest Cantilever Bridge: Howrah Bridge
The highest horn: Karakoram or K-2 (8, 611m)
Maximum rainfall: Moussinaram
Highest waterfall: Gersaeppah Falls, Mahishr 292m)
Largest Orananchal (Kingdom): Madhya Pradesh
The largest delta region: the Sundarbans delta free
Longest river: Narmada and Tapti longest river - bridge: Mahatma Gandhi bridge, Patna
Longest road: the highest road to the Grand Trunk Road: the road to Kharangal (Leh - Manali region)
Mosque of Delhi: Jama Masjid in Delhi
High gateway; Buland Darwaza of Fatepur Sikri (53, 6m)
Longest statue: Gemsethwar, Karnataka (17km)
The largest public sector bank: State Bank of India
The largest cave: Tamararnai, Jammu Kashmir
The largest cave temple: Kailash, Ilara, Maharashtra
Largest animal fair: Sainpur, Bihar
The largest hattel: Oberoi - Sheraton, Mumbai
The biggest gurudwara is: Gelden Temple, Amritsar
The largest church: St. Cathedral, Gaia
The oldest church: St. Thomas Church, Trisu, Kerala
Longest ocean beach: Marina Beach, Chennai
The highest battlefield: Siachen glacier
Highest airport: Leh, Ladakh
Largest stadium: Jubo Bharti Sports, Calcutta
The largest river - Island: Majuli, Brahmaputra river, Assam
Largest Planetarium: Birla Planner