Biggest, Highest and Largest in India

Highest Award	Bharat Ratna
Highest Gallantry Award	Param Vir Chakra
Longest River in India	The Ganges
Longest Tributary river of India	Yamuna
Largest Lake	Wular Lake, Kashmir
Largest Lake (Saline Water)	Chilka Lake, Orrisa
Largest Man-Made Lake	Govind Vallabh Pant Sagar (Rihand Dam)
Largest Fresh Water Lake	Kolleru Lake (Andhra Pradesh)
Highest Lake	Devtal Lake, Gadhwal (Uttarakhand)
Highest Lake	Devatal (Gharhwal)
Highest Peak	Karkoram-2 of K-2(8,611 meters) Highest Peak in the world is Mount Everest which is in Nepal
Largest Populated City	Mumbai
Largest State(Area)	Rajasthan
Largest State(Population)	Uttar Pradesh
Highest rainfall	Cherrapunhi (426 inches per annum)
Highest Watefall	Nohkalikai Falls (335 meters, 1100 ft high) in Shora
State wise largest area under forest	Madhya Pradesh
Largest Delta	Sunderbans Delta
Largest River without Delta	Narmada and Tapti
Longest Cantilever Span bridge	Howrah Bridge
Longest River Bridge	Mahatma Gandhi Setu, Patna
Biggest Cave temple	Ellora
Longest Road	Grand Trunk Road
Highest Road	Road at Khardungla,(in Leh-Manali Sector)
Biggest Mosque	Jama Masjid at Delhi
Highest Gateway	Buland Darwaza at Fatehpur Sikri (53.6 meters high)
Tallest Statue	Statue of Gomateshwar (17 meters high In Karnataka
Largest Public Sector Bank	State Bank of India
Longest Canal	Indira Gandhi Canal or Rajasthan Canal (Rajasthan)
Largest Dome	Gol Gumbaz at Bijapur
Largest Zoo	Zoological Garden at Alipur (Kolkata)
Largest Museum	India Museum at Kolkata
Longest Dam	Hirakud Dam (Orrisa)
Highest Dam	Tehri Dam ( 260 meters , 850 ft )
Highest Tower	Kutab Minar at Delhi (88.4 meters high)
Largest Desert	Thar (Rajasthan)
Largest District	Kutch district
Fastest Train	Shatabadi Express running between New Delhi and Bhopal
State with longest coastline	Gujarat
State with longest coastline of South India	Andhra Pradesh
Longest Electric Railway Line	From Delhi to Kolkata via Patna
Longest Railway Route	From Assam to Kanyakumari
Longest Railway Platform	Kharagpur (W. Bengal)
Highest Railway Station	Ghum (W. Bengal)
Longest Platform	Kharagpur (West Bengal) 833 meters in Length. It is also the longest railway station in world
Longest Tunnel	Jawahar tunnel (Jammu & Kashmir)
Longest Highway	NH-44 (NH-7) which turns from Varanasi to Kanyakumari
Smallest State (Population)	Sikkim
Smallest State (Area)	Goa
Largest State (Area)	Rajasthan
Largest State (Population)	Uttar Pradesh
Densest Populated State	West Bengal
Largest Cave	Amarnath (J&K)
Largest Cave Temple	Kailash Temple, Ellora (Maharastra)
Largest Animal Fair	Sonepur (Bihar)
Largest Auditorium	Sri Shanmukhanand Hall (Mumbai)
Biggest Hotel	Oberai-Sheraton (Mumbai)
Largest Port	Mumbai
Largest Gurudwara	Golden Temple, Amritsar
Deepest River Valley	Bhagirathi & Alaknanda
Largest Church	Saint Cathedral (Goa)
Oldest Church	St. Thomas Church at Palayar, Trichur (Kerala)
Longest River	Ganga (2640 km long)
Longest Beach	Marina Beach, Chennai
Highest Battle Field	Siachin Glacier
Highest Airport	Leh (Laddakh)
Biggest Stadium	Yuva Bharti (Salt Lake) Stadium, Kolkata
Largest River Island	Majuli (Brahmaputra River, Asom)
Largest Planetarium	Birla Planetarium (Kolkata)
Sambhar lake	Largest inland salt lake