Census 2011
Census History & Administration:
- First census in India: 1872, during Viceroy Mayo's tenure.
- First decennial (scientific basis) census: 1881, during Viceroy Ripon's tenure.
- Chief Census Officer: Census Commissioner.
- First Census Commissioner of India: W.C. Plowden.
- 2011 Census: 15th overall, 7th since independence (starting 1951), and 14th decennial.
- 2011 Census Commissioner: C. Chandramouli.
- 2011 Census Motto: "Our Census, Our Future."
- "Great Divide" Decade: 1911-1921, due to population decrease caused by famine and epidemics; 1921 is called the "Year of Great Divide."
Population Data (2011):
- India's total population: 121.09 crore (second globally after China at the time; currently India is first).
- Decadal population growth (2001-2011): 17.7%.
- Female population: 48.53%; Male population: 51.47%.
Geographical Distribution (2011):
- Largest State by Area: Rajasthan.
- Smallest State by Area: Goa.
- Largest Union Territory (UT) by Area: Ladakh.
- Smallest UT by Area: Lakshadweep.
Population by State/UT (2011):
- States by Highest Population (descending):
- Uttar Pradesh (16.51% of India's population)
- Maharashtra (9.28%)
- Bihar (8.6%)
- West Bengal (7.54%)
- States by Lowest Population (ascending):
- Sikkim (0.05%)
- Mizoram (0.09%)
- Arunachal Pradesh (0.11%)
- Goa (0.12%)
- UT with Highest Population: Delhi.
- UT with Lowest Population: Lakshadweep.
- States by Highest Population (descending):
Population Growth (2011):
- States by Highest Decadal Growth (2001-2011):
- Meghalaya (27.9%)
- Arunachal Pradesh
- Bihar
- Mizoram
- States by Lowest/Negative Decadal Growth:
- Nagaland (-0.6%) - the only state with negative growth.
- Kerala
- Goa
- Andhra Pradesh
- States by Highest Decadal Growth (2001-2011):
Population Density (2011):
- India's Population Density: 382 persons per sq km.
- States by Highest Population Density:
- Bihar (1106 persons per sq km)
- West Bengal
- Kerala
- Uttar Pradesh
- States by Lowest Population Density:
- Arunachal Pradesh (17 persons per sq km)
- Mizoram (52)
- Sikkim (86)
- Manipur (115)
- Highest Population Density Overall (including UTs): Delhi (higher than any state).
Sex Ratio (2011):
- India's Sex Ratio: 943 females per 1000 males.
- States by Highest Sex Ratio:
- Kerala (1084 females per 1000 males) - the only state with a ratio above 1000.
- Tamil Nadu
- Andhra Pradesh
- Manipur
- States by Lowest Sex Ratio:
- Haryana (879 females per 1000 males)
- Sikkim
- Punjab
- Uttar Pradesh
Child Sex Ratio (0-6 years, 2011):
- Highest: Arunachal Pradesh (972).
- Lowest: Haryana (834).
Literacy Rate (2011):
- India's Literacy Rate: 73% (for population aged 7+).
- Male Literacy: 80.09%.
- Female Literacy: 64.60%.
- States by Highest Literacy Rate:
- Kerala (94%)
- Mizoram
- Goa
- Tripura
- States by Lowest Literacy Rate:
- Bihar (61.80%)
Rural & Urban Population (2011):
- States by Highest Rural Population (percentage):
- Himachal Pradesh (90% rural)
- Bihar (88.7%)
- Assam
- Odisha
- States by Highest Urban Population (percentage):
- Goa (62.2% urban)
- States by Highest Urban Population (numbers):
- Maharashtra (5.08 crore)
- Uttar Pradesh
- States by Highest Rural Population (percentage):
Scheduled Caste (SC) Population (2011):
- States by Highest SC Population (numbers):
- Uttar Pradesh (approx. 5.25 crore)
- West Bengal
- States by Highest SC Population (percentage of state population):
- Punjab (31.9% SC)
- States by Highest SC Population (numbers):
Scheduled Tribe (ST) Population (2011):
- States by Highest ST Population (numbers):
- Madhya Pradesh (approx. 1.5 crore)
- States by Highest ST Population (percentage of state population):
- Mizoram (94% ST)
- States by Highest ST Population (numbers):
Daily Current Affairs (As of August 2025)
Important Days:
- World Humanitarian Day: August 19 (commemorates 2003 UN bombing in Baghdad).
- World Photography Day: August 19.
- Elephant Day: August 12.
- Lion Day: August 10.
Awards & Competitions:
- Miss Universe India 2025: Manika Viswakarma (Ganganagar, Rajasthan) won, will represent India at Miss Universe 2025 (74th edition) in Thailand.
- Previous Indian Miss Universe winners: Sushmita Sen (1994), Lara Dutta (2000), Harnaaz Sandhu (2021).
- Miss World 2025 (72nd edition): Held in Hyderabad, won by Opal Suchata (Thailand). India's representative: Nandini Gupta (Kota, Rajasthan).
- First Indian Miss World: Reita Faria (1966).
- Cincinnati Open 2025 (Tennis): Held in Ohio, USA.
- Men's Singles Winner: Carlos Alcaraz (Spain) - his first Cincinnati Open title.
- Women's Singles Winner: Iga Świątek (Poland).
- ITTF World Para Championships: Held in Washington, USA.
- Bhavina Patel won gold and silver medals, achieving World No. 1 ranking in her category (Class 1-5, wheelchair women's singles), becoming the first Indian to do so.
- International Challenger Title (Malaysia): Won by Devika Sihag.
- Miss Universe India 2025: Manika Viswakarma (Ganganagar, Rajasthan) won, will represent India at Miss Universe 2025 (74th edition) in Thailand.
Technology & Infrastructure:
- First Removable Solar Panel on Railway Tracks: Installed by Banaras Locomotive (BLW) in India. 70-meter track, 28 panels, 15 kW energy generation.
- AI Startup 'Parallels': Launched by former Twitter CEO Parag Agrawal to enhance AI agents' efficiency.
- Ocelot chip: Amazon.
- Majora chip: Microsoft.
- Ironwood chip: Google.
- Press Seva Portal: Launched by Press Maha Panjiyan (Registrar of Newspapers for India, current: Yogesh Bavija) to simplify newspaper/magazine registration and enhance transparency.
- First Indian newspaper: Bengal Gazette (James Augustus Hicky).
- First Hindi newspaper: Udant Martand (Pt. Jugal Kishore Sharma).
- "Liberator of Indian Press": Charles Metcalfe.
- Vernacular Press Act: 1878 (Lord Lytton); repealed by Lord Ripon.
- Urban Extension Road (UER) Second, Delhi: Inaugurated by PM Modi on August 17.
- Includes Dwarka Expressway (Rohini section) and UER Second.
- Length: 66 km.
- Objective: Reduce Delhi's traffic congestion by diverting traffic.
- Connects NH-44, NH-9, and Dwarka Expressway, easing travel to Sonipat (Haryana), Uttarakhand, and Delhi Airport.
- Patna-Purnia Expressway, Bihar: Designated as National Expressway 9 (NE-9).
- Bihar's first expressway entirely within the state.
- Length: 250 km.
- Connects NH-22 and NH-27.
- Green Gross Domestic Product (GDP) Model: First Indian state to adopt: Chhattisgarh.
- Aerospace:
- POEM4 Mission (ISRO): Sent Lobia seeds into space.
- Aero India 2025: Held in Bengaluru.
- First Private Semiconductor Manufacturing Facility (India): Indchip Semiconductors Limited, to be established in Andhra Pradesh.
- First Private Satellite Constellation (India): Firefly, launched by Pixxel and SpaceX.
- +20 to -60 Temperature Resilient 'Him Kavach': Developed by DRDO.
- First Cloud Chamber under Mission Monsoon: Established in Pune.
- First 300 MW Compressed Air Energy Storage Plant (Ngachu First): Started in China.
- First Under Water Museum 'Guldar': Maharashtra.
Politics & Governance:
- Vice President Candidate (INDI Alliance): Former Supreme Court Justice V. Sudarshan Reddy.
- Vice President Candidate (Ruling Party): C.P. Radhakrishnan (Governor of Maharashtra).
- Chief Guest for 18th Pravasi Bharatiya Divas 2025: President of Trinidad and Tobago.
- Bharat POL Portal: Related to CBI (similar to Interpol).
- First Organic Fisheries Cluster (India): Launched by Union Minister Rajiv Ranjan Singh in Sikkim.
- Road Accident Victims Financial Aid: ₹1.5 lakh under nationwide cashless treatment scheme.
- Judicial Bodies: Central government formed Atomic Energy Commission under A.K. Mohanty.
- Samitwa Yojana: Related to Panchayati Raj (determining true ownership of property).
Environment & Biodiversity:
- New Palm Tree Species: Phoenix Roxburghii, found on Malabar Coast (Kerala). Named after William Roxburgh (Father of Indian Botany). It is a monocotyledonous, flowering, evergreen plant.
- "Palm Oil Country": Nigeria (Niger River is "Palm Oil River").
- Ban on Animal Painkiller 'Nimesulide': Due to its adverse effects on vultures.
- Most Dangerous Spider Species 'Big Boy': Discovered in Australia.
- Pink Fire Retardant for California Forest Fires: Ammonium Phosphate.
- New Palm Tree Species: Phoenix Roxburghii, found on Malabar Coast (Kerala). Named after William Roxburgh (Father of Indian Botany). It is a monocotyledonous, flowering, evergreen plant.
Miscellaneous:
- Generation Beta: New generation born between 2025-2039.
- 31st National Children's Science Congress: Madhya Pradesh.
- 72nd Annual Golden Globe Awards 2025 (Best Motion Picture): 'The Brutalist'.
- Anahat Singh (Squash): Won Under-17 Junior Squash Open 2025 in England.
- Green Skill Domestic Product Model: Chhattisgarh adopted.
- Cultural Arts Village (Kala Gram): Established by Central Culture Ministry in Prayagraj (during Mahakumbh).
- Z-Mode Tunnel: Part of Zojila Tunnel, inaugurated in Ramban, Jammu & Kashmir (connecting Leh and Srinagar).
- Future Minerals Forum 2025: Started in Riyadh.
- Kudankulam Nuclear Plant (Tamil Nadu): Russia is helping with 1000 MW sixth unit.
- Larsen & Toubro (L&T) Shipbuilding: Launched Indian Navy's second multipurpose vessel 'Utkarsh' in Chennai.
- Olot Chip: Amazon.
- Majrana Chip: Microsoft.
- Ironwood Chip: Google.
- 21st Third Eye Festival: Mumbai.
- Global Ageing Index 2025 (Nature Aging): India ranked 123rd.
- Blue Flag Certification: Awarded to Kapad and Chalbeach (Kerala).
- Parliament Powers, Functions, and Privileges (Book): Authored by T.R.K.S. Chauhan, released by former Vice President Jagdeep Dhankhar.
- Makaravilakku Festival: Kerala.
- Indian Meteorological Department (IMD): Presented a tableau for the first time at Republic Day Parade 2025, celebrating 150 years (est. 1875, current head: Mrutyunjay Mohapatra).
- Foxconn iPhone 17 plant: Bengaluru, India.
- IBM India Client Experience Center (Computing): Established its first center in Mumbai.
- Tata Second (Air Traffic Control Simulation): Arunachal Pradesh.