Biggest, Highest, Largest in India

Biggest Cave temple	Ellora, Maharashtra
Biggest Hotel	Oberai-Sheraton (Mumbai)
Biggest Mosque	Tazul Masjid at Bhopal
Biggest Museum	Indian Museum, Calcutta
Biggest Stadium	Yuva Bharti (Salt Lake) Stadium, Kolkata
Biggest Zoo	Zoological Gardens, Calcutta
Deepest River Valley	Bhagirathi & Alaknanda
Densest Populated State	West Bengal
Fastest Train	Shatabadi Express running between New Delhi and Bhopal
Highest Airport	Leh (Laddakh)
Highest Award	Bharat Ratna
Highest Award for Games	Rajeev Gandhi Khel Ratna
Highest Battle Field	Siachin Glacier (3,620 m)
Highest Dam	Bhakra Dam ( 225.5 meters high)
Highest Gallantry Award	Param Vir Chakra
Highest Gateway	Buland Darwaza at Fatehpur Sikri (53.6 meters high)
Highest Lake	Devtal Lake, Gadhwal (Uttarakhand)
Highest Peak	Karkoram-2 of K-2(8,611 meters) (POK) Kanchanjunga- (Highest Peak in the world is Mount Everest which is in Nepal)
Highest Rainfall	Cherrapunhi (426 inches per annum)
Highest Road	Road at Khardungla,(in Leh-Manali Sector)
Highest Tower	Kutab Minar at Delhi (88.4 meters high)
Highest Waterfall	Gersoppar Waterfall (292 meters high) in Mysore
Highest Waterfalls	Jog Falls, Karnataka
Largest Animal Fair	Sonepur (Bihar)
Largest Auditorium	Sri Shanmukhanand Hall (Mumbai)
Largest Cave	Amarnath (J&K)
Largest Cave Temple	Kailash Temple, Ellora (Maharastra)
Largest Church	Saint Cathedral (Goa)
Largest Delta	Sunderban delta WB
Largest Desert	Thar (Rajasthan)
Largest District	Ladakh
Largest Dome	Gol Gumbaz at Bijapur
Largest Forest State	Assam
Largest Fresh Water Lake	Kolleru Lake (Andhra Pradesh)
Largest Gurudwara	Golden Temple, Amritsar
Largest Lake (Saline Water)	Chilka Lake, Orrisa
Largest Man-Made Lake	Govind Vallabh Pant Sagar (Rihand Dam) UP
Largest Planetarium	Birla Planetarium (Kolkata)
Largest Port	Mumbai
Largest Public Sector Bank	State Bank of India
Largest River Island	Majuli (Brahmaputra River, Asom)
Largest State (Area)	Rajasthan
Largest State (Population)	Uttar Pradesh
Largest Zoo	Zoological Garden at Alipur (Kolkata)
Longest Beach	Marina Beach, Chennai
Longest Bridge	Sone Bridge
Longest Canal	Indira Gandhi Canal or Rajasthan Canal (Rajasthan)
Longest Corridor-	Rameswaram Temple's Corridor (1220 metres)
Longest Dam	Hirakud Dam (Orrisa)
Longest Electric Railway Line	From Delhi to Kolkata via Patna
Longest Highway	NH-7 which turns from Varanasi to Kanyakumari
Longest Platform	Kharagpur Platform
Longest Platform	Kharagpur (West Bengal) 833 meters in Length. It is also the longest railway station in world
Longest Railway Platform	Kharagpur (W. Bengal)
Longest Railway Route	From Jammu to Kanyakumari
Longest River	Ganga (2640 km long)
Longest Road	Grand Trunk Road
Longest Road	Grand Trunk Road
Longest Statue	Statue of Gomateswara, Karanataka
Longest Tunnel	Jawahar Tunnel
Longest Tunnel	Jawahar tunnel (Jammu & Kashmir)
Smallest State (Area)	Goa
Smallest State (Population)	Sikkim
State with longest coastline	Gujarat
State with longest coastline of South India	Andhra Pradesh
Tallest Statue	Statue of Gomateshwar (17 meters high In Karnataka)