Superlative

Location

Biggest Cantilever Bridge

Rabindra Sethu (also called Howrah Bridge on Hooghly river in Kolkata(457m/1499ft long.)

Busiest Bridge

Vidyasagar Setu, Kolkata

Biggest Fort

Chittorgarh Fort, also known as Chittor Fort. Located in the Chittorgarh district of Rajasthan

Biggest stadium 

Motera Stadium, Ahmedabad. It is also the largest stadium in the world, with a seating capacity of 132,000 spectators.

Busiest airport

Indira Gandhi International Airport, Delhi

Coldest Place

Drass, Ladakh

Fastest Train

Vande Bharat Express

First complete Banking District

Palakkad ,Kerala

First district with 100% e-literacy

Malappuram, Kerala

First District with 100% literacy

Ernakulam, Kerala

First I.T district

Palakkad, Kerala

First inter-linked rivers

Ken-Betwa River Linking Project (UP-MP)

First wireless Internet connectivity city

Mysore, Karnataka

Highest  Airport

Kushok Bakula Rimpochhe Airport, Leh airport in Ladakh(3256m /16080ft high)

Highest battle field

Siachen Glacier, Jammu and Kashmir

Highest civilian Award

Bharat Ratna

Highest dam

Tehri Dam on Bhagirathi River, near Tehri, Uttarakhand.

Height: 260.5 m (855 ft); Length: 575 m (1,886 ft)

Highest gallantry award 

Param Vir Chakra

Highest gateway

Buland Darwaza at Fatehpur Sikri near Agra, Built by Akbar (53.5 m/175ft high)

Highest Hydel Power station

Rongton Hydel Project in Kinnaur district of Himachal Pradesh

Highest literacy rate by religion

Jain 94.1%

Religion with Highest female literacy rate

Jains (90.6%)

Highest Mountain peak

Kanchenjunga(Sikkim)(8598 m)(Initially K2 was the highest mountain peak in India. But now it is in POK)

Highest population growth rate Religion

Muslim(29.3%)

Highest precipitation 

Mawsynram, Meghalaya

Highest Road

Road at Khardung in the Leh-Manali Sector

Highest Tower(Minaret)

Qutb Minar, Delhi

Highest Waterfall

Jog Waterfalls,(on Sharavathi river,292 metres) Karnataka

Largest  Auditorium

Sri Shanmukhananda hall, Mumbai

Largest animal fair

Sonepur Mela, Patna, Bihar.

Largest Botanical Garden

National Botanical Garden, Kolkata                                            

Largest Cave

Amarnath (about 44 km from Pahalgam in Jammu and Kashmir)

Largest Cave Temple

Ellora Temples, Aurangabad, Maharashtra.

Largest Church

Se. Cathedral at old Goa, 10 km from Panaji.

Largest Cinema hall

Thangam (Madurai)

Largest city (Area Wise)

Delhi

Largest Concentration  of Scheduled Tribes

Madhya Pradesh

Largest concentration of  Scheduled Caste population

Uttar Pradesh has the largest Scheduled Caste population

Largest Delta

Sunderbans (75,000 sq. km) formed by the Ganga and Brahmaputra rivers in West Bengal and Bangladesh.

Largest Desert

Thar or  Great Indian Desert, Rajasthan.

Largest district

Kutch, Gujarat (45,674 square kilometers)

Largest District (Population)

Thane (Maharashtra)

Largest dome 

Gol Gumbaz , Bijapur, Karnataka, Diameter : 44.0 m

Largest Fresh Water Lake

Kolleru in Andhra Pradesh

Largest Gurudwara

Golden temple, Amritsar, Punjab

Largest Lake

Wular lake, Jammu & Kashmir

Largest Library 

National Library, Kolkata

Largest manmade lake

Rihand Dam also known as Govind Ballabh Pant Sagar, Bhakra, Haryana

Largest Mosque

Jama Masjid , Delhi(built by shah jahan in 1644-58)

Largest Museum

Indian Museum, Kolkata

Largest Ocean island

Middle Andaman

Largest Planetarium

Birla Planetarium, Kolkata

Largest Plateau

Deccan Plateau

Largest prison

Tihar Jail ,Delhi

Largest Public Sector Bank

State Bank of India

Largest Public Sector employer

Indian Railways

Largest Residence

Rashtrapati Bhavan, New Delhi

Largest River Bridge

Farakka Barrage , Kolkata(7,363.6ft)

Largest river Island

Majuli, Brahmaputra river, Asom

Largest scheduled caste community

Chamar

Largest state in area

Rajasthan(3,42,239 sq.km)

Largest Tribe (ST)

Santhal tribe

Largest Union  Territory in Area

Andaman and Nicobar islands(8,249 sq.km)

Largest Zoo

Arignar Anna Zoological Park in Chennai

Least densely populated State

Arunachal Pradesh

Least populated state

Sikkim (607,688: 2011 census)

Least Populated Union Territory

Lakshadweep(64,429)

Longest beach

Marina beach, Chennai(13km)

Longest Canal

Indira Gandhi Canal or Rajasthan Canal(959 km long)

Longest Corridor 

Corridor in Ramanathaswamy Temple at Rameswaram Tamilnadu (1220M/4002 FT)

Longest Dam

Sardar Sarovar Dam. It is the second largest concrete dam in the world in terms of the volume of concrete used in its construction, after the Grand Coulee Dam across the Columbia River, US.

Longest Delta

Sunderbans (75000 sq.  km ) formed by the Ganga and Brahmaputra in  West Bengal and Bangladesh.

Longest Glacier

Siachen Glacier on the Indo - Pak border(75.6kmlong and 2.8km wide)

Longest national Highway 

NH-7 (Varanasi to Kanyakumari)

Longest Passenger Train Route 

The Vivek Express, which runs between Dibrugarh in Assam and Kanyakumari in Tamil Nadu

Longest railway bridge

Vembanad Rail Bridge (4.62 Km, Kerala)

Longest railway platform

Hubli Junction railway station (1,505 metres)

Longest River

The Ganga 2640km long(it runs 2525km long in India)

Longest River bridge 

Bhupen Hazarika Setu, commonly known as the Dhola Sadiya Bridge. A beam bridge connecting the northeast states of Assam and Arunachal Pradesh.

At 9.15 kilometres (5.69 mi) in length, it is the longest bridge in India over water. However, the 9.76 kilometres (6.06 mi) Kacchi Dargah–Bidupur Bridge under construction in Bihar is expected to become the longest bridge in India upon its estimated completion in July 2023.

Longest Road 

Grand Trunk Road from Kolkata to Amritsar

Longest Road Bridge

Dhola-Sadiya Bridge in Assam

Longest Sea bridge

Mumbai Trans-Harbour Link

Lowest female literacy rate 

Muslim

Lowest literacy rate religion

Muslim

Lowest population growth rate religion

Buddhists

Maximum forest area

Madhya Pradesh

Maximum forest area in %

Mizoram (over 90%)

Most Densely populated state

Bihar(1102 sq.km)

Most populated State

Uttar Pradesh (199,281,477: 2011 census) 

Most populated union Territory

Delhi (16,787,941)

Most Populous City

Mumbai (nearly  183 lakhs )

Oldest  Refinery

Digboi(Asom) it discovered in 1835

Oldest Church

St. Thomas Church  at Palayar in Trichur district in Kerala built in 52 AD.

Oldest Monastery

Buddhist Monastery situated at an altitude of 3048m/10000 ft at Tawang in Arunachal Pradesh.

Oldest observatory

Jantar Mantar, Delhi

Oldest University

Nalanda University in Bihar

Oldest Zoo 

Trivandrum Zoological  gardens, Kerala(1859)

Smallest District

Mahe, Puducherry

Smallest district

Yanam in population, Puducherry

Smallest state in area

Goa(3,702sq.km)

Smallest Union Territory  in  Area

Lakshadweep(32 sq.km)

State  having  highest literacy rate

Kerala

State with highest Cattle  Population

Uttar Pradesh

Tallest Statue 

Statue of Unity, a 182-meter statue of Sardar Vallabhbhai Patel in Gujarat

The largest Hindu temple by area 

Sri Ranganathaswamy Temple (156 acres), Trichy, Tamilnadu

Union Territory having highest literacy rate

Lakshadweep