Census 2027 questionnaire to seek parents' religion, birthplace, and flexible caste declaration options

GS-2: Governance & Polity · 19 August 2026 · Based on The Hindu (original report)

2-minute summary

The Registrar General and Census Commissioner of India (RG&CCI) has released the questionnaire for the population enumeration phase of Census 2027, introducing significant updates across 40 data fields (including 13 new questions compared to 2011). Notably, for the first time in post-Independence decennial censuses, a caste enumeration module has been included. While Scheduled Caste (SC) and Scheduled Tribe (ST) respondents will select from notified drop-down lists, others will enter caste names via an open text field, with optional selections for 'Does not want to declare Caste' and 'No Caste'. The questionnaire also collects granular family particulars, such as the date of birth, place of birth (down to village level), and religion of both parents (within or outside India). Several additions—including digital literacy, COVID-19 vaccination place, and optional identity markers like Aadhaar, Voter ID, and mobile numbers—overlap with parameters previously slated for the National Population Register (NPR). The rollout begins ahead of schedule in snow-bound regions including Ladakh, Jammu & Kashmir, Himachal Pradesh, and Uttarakhand.

Why it's in the news

The Union government notified the Census 2027 population enumeration schedule containing 40 questions. It introduces India's first post-Independence general caste enumeration mechanism alongside detailed parental metadata.

Background and context

The decennial population census in India is conducted under the Census Act of 1948. India last conducted a comprehensive caste census in 1931 under British administration. Post-Independence, regular decennial censuses (1951–2011) enumerated only Scheduled Castes and Scheduled Tribes to fulfill constitutional affirmative action mandates. While the Socio-Economic and Caste Census (SECC) was conducted in 2011, its caste data was never publicly released due to classification and data integrity challenges. The upcoming Census 2027 is the first to integrate an open caste-declaration field in the general decennial count. Concurrently, data fields regarding parental origins and identifiers have sparked discussions over overlap with the National Population Register (NPR) framed under the Citizenship Act, 1955.

Constitutional provisions

• Article 246 (Union List, Entry 69) — Places 'Census' exclusively under the legislative domain of the Union Parliament.
• Articles 341 and 342 — Empowers the President to specify Scheduled Castes and Scheduled Tribes for each State and Union Territory.
• Article 340 — Provision for appointment of a Commission to investigate the conditions of socially and educationally backward classes.

Committees and reports

• Justice G. Rohini Commission — Examined the sub-categorisation of Other Backward Classes (OBCs), highlighting the necessity for accurate empirical caste data for equitable welfare distribution.

Previous UPSC questions on this theme

• Mains GS-1 2020 — Has caste lost its relevance in understanding the multi-cultural Indian Society? Elaborate your answer with illustrations.
• Mains GS-1 2018 — "Caste system is assuming new identities and associational forms. Hence, caste system cannot be eradicated in India." Comment.

Mains practice: Critically examine the administrative, methodological, and sociopolitical implications of incorporating caste enumeration in the decennial Census.

The inclusion of caste enumeration in the decennial Census marks a historic shift in India's demographic enumeration methodology since 1931.

• Administrative and Methodological Challenges:

- Open-Field Discrepancies: While SCs/STs are categorized via presidential lists, an open-field entry for other castes may generate millions of phonetic variations, sub-castes, and gotras, making data standardization and aggregation computationally complex.

- Data Integrity and Verification: Unlike SC/ST status, which is strictly certified by state authorities, self-declared caste identities without standardized registries risk misclassification.

- Confidentiality Protections: Under the Census Act, 1948, individual data is confidential and released only in aggregate form, limiting direct beneficiary identification compared to targeted registers like SECC.

• Socio-Political and Governance Implications:

- Evidence-Based Policymaking: Accurate empirical data on caste groups enables targeted social justice interventions, affirmative action refinement, and rationalization of the reservation structure.

- Sub-categorisation Support: Facilitates policy execution for recommendations like those of the Rohini Commission for underrepresented backward classes.

- Identity Politics: Critics argue that explicit caste enumeration could reinforce primordial identities, deepening social cleavages and intensifying demands for quota expansions.

Conclusion:

To harness the benefits of caste enumeration while mitigating administrative risks, the government must adopt robust data-cleansing algorithms, transparent classification taxonomies, and strict adherence to statutory data confidentiality norms.

Prelims practice questions

Q1. With reference to the legal and institutional framework of the Census in India, consider the following statements: 1. 'Census' is a subject listed under the Union List of the Seventh Schedule of the Constitution of India. 2. Individual-level data collected under the Census Act, 1948 is open to the public and can be shared freely with State Governments for targeted welfare delivery. 3. The Registrar General and Census Commissioner of India functions under the Ministry of Home Affairs. Which of the statements given above are correct?

1. 1 and 2 only
2. 2 and 3 only
3. 1 and 3 only
4. 1, 2 and 3

Answer: C. Statement 1 is correct (Entry 69 of List I). Statement 2 is incorrect because Section 15 of the Census Act, 1948 guarantees strict confidentiality; individual census records are not public and only aggregate data is released. Statement 3 is correct as the RG&CCI operates under the Ministry of Home Affairs.

Q2. Under the methodology designed for Census 2027 population enumeration, which of the following options are available to non-SC/ST respondents regarding caste declaration?

1. An open text field along with explicit options to choose 'No Caste' or 'Does not want to declare Caste'.
2. Compulsory submission of a state-issued caste certificate.
3. Selection from a mandatory drop-down list prescribed by the Union government only.
4. Automatic assignment of caste category based on parental surname.

Answer: A. According to the notified Census 2027 questionnaire, non-SC/ST respondents have an open text field to type their caste name, and can also choose 'Does not want to declare Caste' or 'No Caste'.

Q3. How does the legal mandate of data collected under the Census Act, 1948 fundamentally differ from the National Population Register (NPR)?

1. Census is governed by the Citizenship Act, 1955, while NPR is governed by the Census Act, 1948.
2. NPR is conducted by the Ministry of Statistics and Programme Implementation, while Census is under the Ministry of Home Affairs.
3. Census data is exclusively individual-level data for welfare identification, whereas NPR is aggregate.
4. Census data is statutorily confidential and published only in aggregate form, whereas NPR data forms a register of individuals usable for cross-departmental governance.

Answer: D. Under the Census Act, 1948, all personal responses are confidential and can only be published in aggregated form up to the village level. In contrast, the NPR (framed under the Citizenship Act, 1955 and Citizenship Rules, 2003) creates an identifiable database of residents that can be shared across government departments.

Revision flashcards

• Which constitutional entry empowers the Union Government to conduct the Census? Entry 69 of the Union List (List I) in the Seventh Schedule, under Article 246.
• What statutory protection ensures the privacy of responses given during the Census? Section 15 of the Census Act, 1948 guarantees that individual census records are confidential and inadmissible as evidence in a court of law; only aggregate data can be published.
• When was the last comprehensive caste census conducted and published in India? In 1931, under the British colonial administration.
• How does caste enumeration in Census 2027 differ between SC/ST and other respondents? SC and ST respondents choose from a notified drop-down list, while other respondents enter their caste via an open-text field or select 'No Caste' / 'Does not want to declare Caste'.
• What is the key difference between the legal backing of the decennial Census and the NPR? The decennial Census is conducted under the Census Act, 1948 (strictly aggregate data), whereas the National Population Register (NPR) is framed under the Citizenship Act, 1955 and the 2003 Rules (individual-level identifiable register).