Door-to-door enumeration to start on January 25

1. At a Glance

• Population Enumeration (PE) is the second phase of Census 2027. Nationally it starts on January 10, 2027, when the online self-enumeration window opens. Door-to-door enumeration runs from January 25 to February 28, 2027 [1].
• Enumerators will ask 40 questions, of which 13 are new. The new questions include caste (other than SC/ST), religion, digital literacy, and Aadhaar, voter ID and passport numbers where available [1].
• Why it matters for UPSC: this is the first full Census since 2011. It will be the first to count caste in general since 1931, and it will feed into delimitation, reservation policy and welfare targeting [GK].
• The schedule is staggered by region. Snow-bound areas were finished early, four States (UP, Goa, Uttarakhand, Punjab) start early, and Manipur has been deferred [1].

2. Why in the News

• On Friday, October 30, 2026, the Registrar General of India and Census Commissioner, Mritunjay Kumar Narayan, notified that the population census will be conducted from January 25, 2027 to February 28, 2027 [1].
• PE in Ladakh and the snow-affected areas of J&K, Himachal Pradesh and Uttarakhand was completed by September 30, 2026 [1].
• UP, Goa, Uttarakhand and Punjab start early: their self-enumeration portal opens on November 16, 2026, and door-to-door enumeration runs from December 1, 2026 to January 5, 2027 [1].
• The exercise has been deferred in strife-torn Manipur [1].

3. Background & Evolution

• 1872: first Census, carried out in different regions at different times. 1881: first synchronous Census of British India [GK].
• 1931: the last Census to publish full caste data. Censuses after Independence counted only SCs and STs [GK].
• 1948: Census Act enacted. It is the legal basis for every Census since Independence, starting in 1951 [GK].
• 2011: 15th Census, the 7th since Independence. A separate Socio-Economic and Caste Census (SECC) 2011 was conducted outside the Census Act [GK].
• 2021: Census postponed because of COVID-19 [GK].
• 2025: the Union Government decided to include caste enumeration in the coming Census and notified Census 2027 with two reference dates [GK].
• 2026: Phase I (Houselisting & Housing Census) carried out. PE finished in snow-bound areas by September 30, 2026 [1].
• 2027: Phase II (PE). Self-enumeration opens January 10 and door-to-door enumeration runs from January 25 to February 28 [1].

4. Core Static Facts

Item	Fact
Phase in news	Population Enumeration: second phase of Census 2027 [1]
Self-enumeration (national)	Opens January 10, 2027 (online) [1]
Door-to-door (national)	January 25 to February 28, 2027 [1]
Early States	UP, Goa, Uttarakhand, Punjab: portal from November 16, 2026; door-to-door December 1, 2026 to January 5, 2027 [1]
Completed early	Ladakh and snow-affected areas of J&K, HP, Uttarakhand, by September 30, 2026 [1]
Deferred	Manipur [1]
Notifying authority	Registrar General of India & Census Commissioner: Mritunjay Kumar Narayan [1]
Parent ministry	Ministry of Home Affairs (Office of the RGI) [GK]
Questionnaire	40 questions, 13 new [1]
Legal basis	Census Act, 1948; Census Rules, 1990 [GK]
Constitutional entry	Union List (Seventh Schedule), Entry 69 "Census" [GK]
Reference dates	March 1, 2027 (00:00 hrs), nationally; October 1, 2026, snow-bound areas [GK]
Census number	16th Census, 8th since Independence [GK]

The 13 new question areas [1]:

• Caste (other than SC/ST)
• Religion
• Place and date of birth of both parents
• Number of bank accounts
• Spouse's name
• Nationality
• Digital literacy
• Permanent residential address
• Place of COVID-19 vaccination
• Passport number
• Whether the person has a driving licence
• Mobile, Aadhaar and voter ID numbers, if available

5. Multi-Dimensional Analysis

Social

• Counting caste beyond SC/ST will give the first full caste data since 1931. This bears on OBC sub-categorisation and the debate over the 50% reservation ceiling [1][GK].
• Asking about digital literacy and bank accounts gives baseline data on the digital divide and financial inclusion [1].

Legal / Constitutional

• Census is a Union subject, run under the Census Act, 1948. Under that Act, individual responses are confidential and cannot be used as evidence [GK].
• Article 82 / Article 170 link the readjustment of seats to the first Census after 2026, so Census 2027 is expected to trigger delimitation [GK].

Ethical / Governance (privacy)

• Asking for Aadhaar, passport, voter ID and mobile numbers, even if optional, raises concerns about data linkage and profiling under the Puttaswamy (2017) privacy standard and the DPDP Act, 2023 [1][GK].
• Asking about nationality and parents' birthplace may revive fears of links to the NPR/NRC [1][Analysis].

Administrative

• The census is staggered: snow-bound areas finish by September 2026, four States run earlier, and Manipur is deferred. Weather, security and the electoral calendar all shape the schedule [1].
• The four early States (UP, Goa, Uttarakhand, Punjab) and Manipur all have Assembly terms ending in early 2027. Running the census earlier there probably avoids a clash with election duty for the same officials [Analysis; inference, not stated in source].
• An online self-enumeration window comes before field visits, making this India's first digital Census [1][GK].

Scientific / Technological

• Data is collected through a self-enumeration portal and enumerators' mobile apps. This should speed up publication, but it raises cybersecurity and data-quality concerns [1][GK].

Economic

• The gap since 2011 means welfare schemes still use old population figures (for example, NFSA coverage) and that Finance Commission devolution relies on outdated data. Fresh data would fix both [GK].

6. Recent Developments (last 12-18 months)

• April 2025: the Union Government decided to include caste enumeration in the next Census [GK].
• June 2025: Census 2027 notified in the Gazette, with reference dates of March 1, 2027 and October 1, 2026 (snow-bound areas) [GK].
• 2026: Phase I, the Houselisting & Housing Census, carried out [GK].
• By September 30, 2026: PE completed in Ladakh and the snow-affected areas of J&K, HP and Uttarakhand [1].
• October 30, 2026: RGI notified the PE window of January 25 to February 28, 2027 [1].
• November 16, 2026: self-enumeration portal opens in UP, Goa, Uttarakhand and Punjab [1].
• December 1, 2026 to January 5, 2027: door-to-door enumeration in those four States [1].
• January 10, 2027: national self-enumeration window opens [1].

7. Prelims Hooks

• Population Enumeration is the second phase of Census 2027. The first phase is Houselisting [1].
• National online self-enumeration opens on January 10, 2027 [1].
• National door-to-door enumeration runs from January 25 to February 28, 2027 [1].
• The PE schedule is in a notification by the Registrar General of India & Census Commissioner, Mritunjay Kumar Narayan [1].
• The PE questionnaire has 40 questions, of which 13 are new [1].
• The new questions cover caste other than SC/ST: this will be the first general caste count since 1931 [1][GK].
• The schedule runs early in UP, Goa, Uttarakhand and Punjab (portal from November 16, 2026) [1].
• PE in Ladakh and the snow-bound areas of J&K, HP and Uttarakhand was completed by September 30, 2026 [1].
• Census 2027 has been deferred in Manipur [1].
• The Census Act, 1948 is the statutory basis, and Census is Entry 69 of the Union List [GK].
• The RGI's office comes under the Ministry of Home Affairs, not MoSPI [GK].
• The reference date for most of India is 00:00 hrs, March 1, 2027 [GK].

8. Why Counting Caste Is Harder Than Asking One Question

• The last attempt produced data nobody could use
• In SECC 2011, people described their caste in their own words.
• This gave millions of different entries, and the caste data had to be dropped [4].

• The problem is not the question. It is turning lakhs of written answers into a usable list.

• Census 2027 repeats the same open design

• Enumerators will write down caste as the person declares it. The answer is not checked against a fixed list [3].
• The 2011 form only asked "SC/ST". The 2027 form reads "SC/ST/Caste" [2].

• No official source yet says which OBC or general-category list will be used to sort the answers. So the risk that broke SECC is still there.

• The confidentiality law also blocks one way of fixing errors

• Section 15 of the Census Act keeps each person's answers secret [4].
• SECC could check its data in public, community by community. The Census cannot, because individual records cannot be shown [4].

• So spelling variants, sub-castes and false claims have to be fixed at the office, through coding rules, not in the field.

• What the RGI should do before tabulation (counting up the answers)

• Prepare and publish lists of castes for the OBC and general population, which experts have called for [4].
• Publish the rules used to merge different names for the same caste, so that States and researchers can check how the totals were built.

9. Why the South Worries About the Count

• This census decides how Lok Sabha seats are shared
• Delimitation (redrawing constituencies and seat shares by population) is expected to follow Census 2027 [5].

• Parliament would need a new Delimitation Act. It may also need to amend Article 81, which caps the Lok Sabha at 550 seats [5].

• States that controlled population growth may lose share

• Southern States brought their birth rates down earlier, so their share of India's population has fallen since the seats were frozen.
• If seats follow fresh population numbers, the southern share of the Lok Sabha could fall [6].

• How much they lose depends on how delimitation is done, not on the census alone [6].

• The strongest counter-argument: every vote should count the same

• Under the freeze, an MP in a fast-growing State represents far more people than an MP in a slow-growing one. So a voter in the bigger State counts for less.
• This is a fair point. Keeping the freeze forever would break the idea of "one person, one vote".

• But redrawing seats purely by headcount punishes States for meeting national family-planning goals. A fair solution has to answer both concerns, for example by adding seats under Article 81 so that no State loses seats in absolute numbers [5].

• Manipur's deferral is more than a scheduling issue [Analysis]

• Manipur has been deferred [1]. If it has no fresh count, its seats cannot be redrawn on the same basis as the rest of India.
• A census delayed by conflict can turn into a delimitation problem.

10. Is a Caste Count Worth the Risk? The Case Against, Answered

• The objection
• Putting caste on an official national record may harden caste identity.

• It may also push groups to compete for backward status. This census could change politics, not just inform policy [6].

• What the objection gets right

• Caste is recorded as each person declares it [3]. Groups can therefore organise to report themselves in a particular way, and there is no field check.

• The data will reach Parliament at the same time as delimitation [5]. Caste numbers and seat numbers will be argued over in the same political season.

• Why the count still makes sense

• India already counts SCs and STs in every census. Leaving out other castes did not end caste politics. It only meant decisions were made on 1931 figures and guesswork.

• The Union Government took the decision openly, through the Cabinet Committee on Political Affairs on 30 April 2025 [2]. That makes it a stated policy choice, open to scrutiny.

• The honest test

• The count is worth it only if the coding is transparent and the tables are actually published. SECC 2011 shows what happens otherwise: caste data was collected and then never released [4].

11. What Going Digital Buys, and What It Costs

• The money
• The Union Cabinet approved ₹11,718.24 crore for Census 2027. This covers enumerators' honorarium (payment) and training, IT systems and logistics [2].

• The RGI had reportedly asked for ₹14,600 crore [7]. Going digital was expected to raise the cost only slightly [7].

• What self-enumeration gains

• Households can fill in their own details online before the enumerator visits [2].

• Officials say this can cut the time needed for door-to-door work and improve efficiency [8].

• Two forms filled in two ways may not give the same answers [Analysis]

• An enumerator can explain a question. A person filling the form online answers alone.

• For a sensitive, open answer like caste, people may write their caste differently online than they would tell an enumerator. This adds to the coding problem described above [3].

• What should follow

• The RGI should publish how many households used self-enumeration in each State, and check whether online and field answers differ, before releasing caste tables.

12. Anchors for Answers

• Data: ₹11,718.24 crore approved by the Union Cabinet for Census 2027 [2]
• Data: Lok Sabha strength capped at 550 under Article 81. This may need amending for post-census delimitation [5]
• Report/Committee: SECC 2011. Its open-ended caste answers produced millions of entries, and the caste data was dropped [4]
• Law/Case: Census Act, 1948, Section 15. Individual records cannot be released under RTI, used as court evidence or shared [4]
• Law/Case: Cabinet Committee on Political Affairs decision of 30 April 2025 to include caste enumeration [2]

13. Mains Relevance

• GS-I: Population and associated issues; Social empowerment.
• GS-II: Government policies and interventions; Welfare schemes for vulnerable sections; Statutory bodies; Federalism (delimitation).
• GS-III: Inclusive growth; Role of digital technology in governance.
• Model questions: 1. Enumerating castes beyond SC/ST in Census 2027 marks a break from post-Independence practice. Discuss its implications for social justice and reservation policy. (15 marks, 250 words) 2. Census 2027 is India's first digital census. Examine the opportunities and the privacy concerns raised by self-enumeration and the collection of identity-document numbers. (15 marks) 3. Discuss how the delay in Census data affects welfare targeting, fiscal federalism and delimitation in India. (10 marks)

14. Related Topics to Study Next

• Delimitation (Articles 82, 170) and the North–South representation debate. The freeze on seats ends with the first Census after 2026.
• SECC 2011 and the Bihar Caste Survey (2023). Earlier caste-data efforts and their legal problems.
• National Population Register (NPR) / Citizenship Act. The census asks about nationality and birthplace, which revives the NPR debate.
• DPDP Act, 2023 and the Puttaswamy judgment. The privacy framework for census data linkage.
• Women's Reservation Act, 2023 (106th Amendment). It takes effect only after the post-Census delimitation.
• Indra Sawhney (1992) and the Rohini Commission. The 50% ceiling and OBC sub-categorisation.
• Civil Registration System / SRS. Other sources of demographic data that run alongside the Census.

15. NCERT Concepts to Revise

• Caste census (Polity): Counting castes beyond SC/ST is the biggest new feature of this census and the main exam angle.
• Delimitation (Polity): The seat freeze ends with the first census after 2026, so this data will redraw constituencies.
• Socio-Economic and Caste Census 2011 (Polity): Earlier caste count done outside the Census Act, whose caste data was never published. It is a common trap.
• Digital Personal Data Protection Act 2023 (Polity): Asking for Aadhaar, passport and mobile numbers raises privacy questions that this law addresses.
• Fifty per cent ceiling on reservations (Polity): New caste data may fuel demands to raise the 50% cap on reservations set in Indra Sawhney.
• National Population Register (Polity): Questions on nationality and parents' birthplace revive fears of links to the NPR and NRC.

16. Common Errors / Trap Areas

• Wrong ministry: the Census is run by the RGI under MHA. MoSPI/NSO runs surveys, not the Census [GK].
• Wrong dates: January 10 is when self-enumeration opens. January 25 is when door-to-door enumeration starts. The reference date (March 1, 2027) is a third, separate date [1][GK].
• Census vs SECC: SECC 2011 was not conducted under the Census Act. Census 2027's caste count is [GK].
• Uniform national schedule: the dates are not the same everywhere. There are the snow-bound areas (done by September 30, 2026), the four early States, and deferred Manipur [1].
• "Caste never counted": SC/ST data has been collected in every Census since 1951. What is new is counting other castes [1][GK].