Data Governance & Scientific Transparency
Data Sources & Methodology Registry
Azad Cafe adheres to strict open-data ethics. Every number displayed in the atlas originates from primary statutory publications, national sample surveys, or gazetted government statistics. We never fabricate numbers, extrapolate unsupported local units, or present estimates as direct measurements.
GOVERNMENT OFFICIAL
Publisher PortalCensus of India 2011 (Primary Census Abstract)
Publisher
Office of the Registrar General & Census Commissioner, India (Ministry of Home Affairs)
Reference Period
February 9 to 28, 2011
Geographic Coverage
All 28 States and 8 Union Territories
License
Government Open Data License - India (GODL)
Methodology & Sampling Design
Complete nationwide decennial enumeration of all residential households and individuals residing within Indian territory.
Quality Standards & Verification
- Official statutory benchmark for demographic distribution in India.
- High completeness and standardized administrative boundary mapping as of 2011.
Known Limitations & Caveats
- Data reflects 2011 administrative configurations prior to bifurcations (e.g. Telangana created in 2014, Ladakh/J&K reorganisation in 2019).
- Population counts do not reflect post-2011 migration or natural growth without demographic projections.
Standard Citation: Office of the Registrar General & Census Commissioner, India (2011). Primary Census Abstract, Census 2011. Government of India.
GOVERNMENT OFFICIAL
Publisher PortalPopulation Projections for India and States 2011–2036
Publisher
National Commission on Population, Ministry of Health and Family Welfare (MoHFW), Govt. of India
Reference Period
2011 to 2036 Projections
Geographic Coverage
All 28 States and 8 Union Territories
License
Government Open Data License - India (GODL)
Methodology & Sampling Design
Cohort component method incorporating vital registration trends, Sample Registration System (SRS) fertility schedules, and life expectancy mortality models.
Quality Standards & Verification
- Official statutory benchmark for demographic projections referenced across government planning bodies.
- State-wise mathematical model accounting for inter-state migration and declining Total Fertility Rates (TFR).
Known Limitations & Caveats
- Projections are mathematical demographic estimates, not physical headcounts.
- Actual population may vary based on post-2020 public health dynamics.
Standard Citation: Report of the Technical Group on Population Projections (July 2020). National Commission on Population, Ministry of Health and Family Welfare, Government of India.
GOVERNMENT OFFICIAL
Publisher PortalNational Family Health Survey (NFHS-5) 2019-21
Publisher
International Institute for Population Sciences (IIPS) & Ministry of Health and Family Welfare (MoHFW)
Reference Period
2019 to 2021 (Two Phases)
Geographic Coverage
All 707 districts across 28 States and 8 Union Territories
License
Public domain for research, academic, and non-commercial analytical use with attribution
Methodology & Sampling Design
Stratified two-stage sample design surveying 636,699 households, 724,115 women, and 101,839 men using standardized biological markers and questionnaires.
Quality Standards & Verification
- Rigorous biomarker collection including hemoglobin measurement, blood pressure, and anthropometry.
- Includes 95% confidence intervals at state level.
Known Limitations & Caveats
- Survey estimates subject to sampling variability, particularly in small Union Territories or remote districts.
- Fieldwork was interrupted in March 2020 by COVID-19 lockdowns, requiring phase two to resume late 2020.
Standard Citation: International Institute for Population Sciences (IIPS) and ICF. 2021. National Family Health Survey (NFHS-5), 2019-21: India. Mumbai: IIPS.
GOVERNMENT OFFICIAL
Publisher PortalPeriodic Labour Force Survey (PLFS) Annual Report 2022-23
Publisher
National Sample Survey Office (NSSO), Ministry of Statistics and Programme Implementation (MoSPI)
Reference Period
July 2022 - June 2023
Geographic Coverage
All 36 States and Union Territories
License
Government Open Data License - India (GODL)
Methodology & Sampling Design
Rotational panel sampling in urban areas and annual representative sampling in rural areas measuring Usual Status (ps+ss) and Current Weekly Status (CWS).
Quality Standards & Verification
- Official statistical release on Indian labour market indicators, participation rates, and wages.
- Independent quality audit by Standing Committee on Economic Statistics.
Known Limitations & Caveats
- Usual status captures principal and subsidiary activity over 365 days; may underestimate short-term seasonal underemployment.
- District-level estimates are not officially published due to sample size constraints.
Standard Citation: Ministry of Statistics and Programme Implementation. 2023. Annual Report: Periodic Labour Force Survey (July 2022 - June 2023). Government of India, New Delhi.
GOVERNMENT OFFICIAL
Publisher PortalState Domestic Product and Per Capita Income (Base Year 2011-12)
Publisher
National Statistical Office (NSO), MoSPI & Directorate of Economics and Statistics of Respective State Governments
Reference Period
Fiscal Year 2022-23 & 2023-24 (Provisional/Quick Estimates)
Geographic Coverage
All States and Union Territories with state income accounting
License
Government Open Data License - India (GODL)
Methodology & Sampling Design
National accounts compilation aggregating primary, secondary, and tertiary sector value additions using production and income approaches calibrated to 2011-12 base.
Quality Standards & Verification
- Standardized national accounting matrix reconciled with Central Statistical Office (CSO) guidelines.
Known Limitations & Caveats
- Recent years represent Provisional or Advanced Estimates subject to subsequent revisions.
- Informal economy estimates rely on periodic enterprise surveys and benchmark extrapolation.
Standard Citation: Ministry of Statistics and Programme Implementation. 2024. Gross State Domestic Product and Per Capita Net State Domestic Product at Current and Constant Prices. Government of India.
GOVERNMENT OFFICIAL
Publisher PortalGeneral Election to Parliamentary Constituencies 2024 (18th Lok Sabha)
Publisher
Election Commission of India (ECI)
Reference Period
April 19 - June 1, 2024
Geographic Coverage
All 543 Parliamentary Constituencies across India
License
Official Statutory Public Record (ECI)
Methodology & Sampling Design
Electronic Voting Machine (EVM) counts verified with Voter Verifiable Paper Audit Trail (VVPAT) sample verification in every assembly constituency.
Quality Standards & Verification
- 100% census count of all valid votes cast by 642 million registered Indian electors.
Known Limitations & Caveats
- Constituency boundaries follow the 2008 Delimitation Commission orders and do not always coincide cleanly with revenue district boundaries.
Standard Citation: Election Commission of India. 2024. Statistical Report on General Elections, 2024 to the 18th Lok Sabha. Nirvachan Sadan, New Delhi.
GOVERNMENT OFFICIAL
Publisher PortalCentral Electricity Authority - Power Sector State Statistics
Publisher
Central Electricity Authority, Ministry of Power
Reference Period
Fiscal Year 2022-23
Geographic Coverage
National, all 36 States and Union Territories
License
Government Open Data License - India (GODL)
Methodology & Sampling Design
Administrative reporting from State Electricity Regulatory Commissions (SERCs) and state utilities on gross energy generation, transmission, and billing.
Quality Standards & Verification
- Comprehensive grid-connected supply audit verified through regional load despatch centers (RLDCs).
Known Limitations & Caveats
- Off-grid rooftop solar and private captive diesel generators are estimated indirectly.
Standard Citation: Central Electricity Authority. 2023. Annual Executive Summary & State-Wise Per Capita Power Consumption. New Delhi.
GOVERNMENT OFFICIAL
Publisher PortalNational Ambient Air Quality Monitoring Programme (NAAQM)
Publisher
Central Pollution Control Board (CPCB), Ministry of Environment, Forest and Climate Change
Reference Period
Calendar Year 2023
Geographic Coverage
Continuous Ambient Air Quality Monitoring Stations (CAAQMS) network
License
Open Government Data (OGD) Platform India
Methodology & Sampling Design
Continuous Beta Attenuation Monitors (BAM) and gravimetric high-volume sampling calibrating fine particulate matter (PM2.5 and PM10).
Quality Standards & Verification
- Automated telemetry with zero and span drift calibration performed regularly.
Known Limitations & Caveats
- Monitoring stations are concentrated in urban and industrial zones; rural regional values reflect spatial model interpolations.
Standard Citation: Central Pollution Control Board. 2023. Annual Report on Ambient Air Quality in Indian Cities and States. Parivesh Bhawan, East Arjun Nagar, Delhi.
GOVERNMENT OFFICIAL
Publisher PortalIndian Telecom Services Performance Indicators
Publisher
Telecom Regulatory Authority of India (TRAI)
Reference Period
Quarter ending March 2024
Geographic Coverage
22 Telecom Service Areas (LSA circles) covering all Indian States and UTs
License
Official Statutory Public Record (TRAI)
Methodology & Sampling Design
Mandatory quarterly regulatory filings by all licensed Unified Access Service Providers (UASPs) and Internet Service Providers (ISPs).
Quality Standards & Verification
- Complete operator-verified subscriber census records including VLR (Visitor Location Register) active user counts.
Known Limitations & Caveats
- Licensed Service Areas (LSAs) correspond to telecom circles, some of which group smaller neighbouring states together (e.g. North East circle, Kolkata/West Bengal circle).
Standard Citation: Telecom Regulatory Authority of India. 2024. The Indian Telecom Services Performance Indicators (Quarterly Report). New Delhi.
GOVERNMENT OFFICIAL
Publisher PortalAgricultural Statistics at a Glance 2023
Publisher
Directorate of Economics & Statistics, Ministry of Agriculture & Farmers Welfare, Govt. of India
Reference Period
Crop Year 2022-23
Geographic Coverage
All 28 States and 8 Union Territories
License
Government Open Data License - India (GODL)
Methodology & Sampling Design
Aggregated Land Use Statistics (LUS) and crop yield assessments compiled from state directorates of economics, remote sensing crop acreage estimation, and agricultural census baselines.
Quality Standards & Verification
- Official statutory compendium on Indian cropping patterns, yield indices, and gross cropped land.
- Reconciled with agricultural census and Food Corporation of India procurement reports.
Known Limitations & Caveats
- Cropping intensity varies seasonally between Kharif, Rabi, and Zaid seasons.
- Data for union territories with negligible agrarian land reflects localized micro-cultivation.
Standard Citation: Ministry of Agriculture and Farmers Welfare. 2023. Agricultural Statistics at a Glance. Directorate of Economics & Statistics, New Delhi.
GOVERNMENT OFFICIAL
Publisher PortalJal Jeevan Mission - Har Ghar Jal Telemetry Dashboard
Publisher
Department of Drinking Water and Sanitation, Ministry of Jal Shakti, Govt. of India
Reference Period
Calendar Year 2024
Geographic Coverage
Rural areas across all 28 States and 8 Union Territories
License
Government Open Data License - India (GODL)
Methodology & Sampling Design
Geo-tagged functional household tap connection (FHTC) verification by Village Water and Sanitation Committees (VWSC) cross-referenced with public IMIS records.
Quality Standards & Verification
- Live administrative sensor and Aadhaar-authenticated household tap connection tracking.
- Third-party functionality audits conducted periodically by national verification agencies.
Known Limitations & Caveats
- Focuses strictly on rural habitation piped infrastructure; urban coverage is audited separately under AMRUT.
- Measures infrastructure installation; seasonal groundwater depletion may affect actual daily supply hours.
Standard Citation: Ministry of Jal Shakti. 2024. Jal Jeevan Mission Management Information System (IMIS) State Performance Report. New Delhi.
GOVERNMENT OFFICIAL
Publisher PortalSample Registration System (SRS) Statistical Bulletin
Publisher
Office of the Registrar General of India, Ministry of Home Affairs, Govt. of India
Reference Period
Calendar Year 2020
Geographic Coverage
Nationwide demographic sample units across all 36 States and UTs
License
Government Open Data License - India (GODL)
Methodology & Sampling Design
Dual-record system comprising continuous enumeration of vital events by a local resident enumerator, followed by an independent bi-annual survey by a supervisor.
Quality Standards & Verification
- Gold standard demographic metric for Infant Mortality Rate (IMR) and Crude Birth/Death rates in India.
- High statistical power with representative rural and urban sampling frames.
Known Limitations & Caveats
- Sampling errors for smaller northeastern states and island territories are higher than for populous states.
- Published with an approximate 18-to-24 month demographic audit latency.
Standard Citation: Office of the Registrar General, India. 2022. Sample Registration System Statistical Report 2020. Ministry of Home Affairs, New Delhi.