The Right to Information Act, 2005 took effect on 12 October 2005. Over the past twenty years, it has generated one of the largest citizen-to-state information flows in the democratic world. The Central Information Commission publishes annual aggregates of RTI applications received, disposed, transferred, and rejected by registered Central public authorities — typically around 2,100 entities spread across ministries, departments, PSUs, regulators, banks, and constitutional bodies.

The numbers tell a clear story: citizens ask most where the service-delivery footprint is biggest — where they apply for licences, claim benefits, seek documents, or interact with regulators. This article analyses the top 20 ministries by RTI volume, the subjects that drive those volumes, and the practical takeaway — where and how to file your next RTI.

Four factors consistently produce higher RTI volumes in a given ministry.

1. High citizen interface. The ministry interacts directly with residents (passport, corporate filings, bank regulation, railway tickets).
2. Service delivery. It issues money, documents, permits, certificates, or benefits (subsidies, pensions, scholarships).
3. Large organisational spread. Many field offices across India (Railways, EPFO, NHAI, Income Tax Department).
4. Pain points and ambiguity. Grievances are frequent; rules are intricate; citizens seek clarity through information.

Conversely, ministries dealing with specialised policy or inter-governmental matters (Space, Nuclear Power, Atomic Energy) receive fewer but more technical RTIs.

The two most recent published snapshots consistently place the same seven ministries at the top.

From the CIC 2021-22 Annual Report (CHRI analysis, total 14.21 lakh applications):

• Ministry of Finance — 1,79,393
• Ministry of Railways — 1,45,549
• Ministry of Communications — 1,14,728
• Ministry of Corporate Affairs — (over 78,000, a +123% jump from 2020-21)
• Ministry of Education — 94,208

From the CIC 2024-25 Annual Report (as reported in Telangana Today and other outlets):

• Ministry of Corporate Affairs — 2,54,657
• Ministry of Finance — 2,20,283
• Ministry of Education — 1,34,025
• Ministry of Home Affairs — 58,130
• Ministry of Road Transport & Highways — 35,481
• Ministry of Law & Justice — 18,638

The Ministry of Corporate Affairs' sharp rise since 2021-22 reflects the digitisation of MCA-21 and growing due-diligence queries from stakeholders.

Why high volume. Covers Income Tax, CBDT, CBIC, banks regulated by RBI, insurance companies regulated by IRDAI, DRTs, and EPFO wing coordination. Every citizen with a PAN, bank account, insurance policy, or tax filing is a potential RTI applicant.

Common subjects. Tax refunds, demand notices, PAN issues, bank fraud complaints, NPA disclosures, RBI regulatory actions, insurance-claim disputes.

Typical queries. “Why is my income tax refund for AY 2024-25 delayed?” “What is the action taken on my complaint to the Banking Ombudsman?” “Copy of CBDT circular on assessment re-opening in my case.”

RTI strategy. Name the specific sub-department (Income Tax / CBIC / RBI / IRDAI / DRT). Quote your PAN / bank account / policy number / file number. Use ''rtionline.gov.in'' — select Department of Revenue / Department of Economic Affairs / Department of Financial Services as applicable.

Why high volume. MCA-21 portal data, corporate filings, ROC scrutiny, IBC proceedings, LLPs, investor grievances with SEBI (routed here in part), company dissolutions.

Common subjects. Company incorporation / ROC scrutiny status, director KYC disputes, winding-up petitions, investor education and protection fund (IEPF) claims.

Typical queries. “Status of my director disqualification removal application.” “Copy of the ROC inspection report for [Company Name].” “Date of dispatch of my IEPF claim.”

RTI strategy. Quote the CIN / DIN / claim reference number. File on rtionline.gov.in → Ministry of Corporate Affairs.

Why high volume. Largest public employer, massive recruitment cycle, crores of passengers. RRB exam results, refund disputes, accident investigations, staff service matters.

Common subjects. Recruitment results and cut-offs, ticket refund cases, freight disputes, employee service records, station / line project updates.

Typical queries. “Cut-off list and answer key for RRB NTPC Round X.” “Refund status for PNR [number].” “Current stage of the [Project Name] doubling / electrification.”

RTI strategy. Name the Zonal Railway if concerning a specific region. Quote PNR / roll number / file number. File via rti.railnet.gov.in or rtionline.gov.in → Ministry of Railways.

Why high volume. India Post's vast grievance volume (Speed Post delays, MO misplacement, pension disbursement), plus Department of Telecom on licensing, BSNL / MTNL matters.

Common subjects. Speed Post and parcel status, India Post savings / NSC / PLI policy matters, pensioner life-certificate issues, DoT licence / spectrum queries.

Typical queries. “Where is my Speed Post consignment [tracking number]?” “My PLI policy maturity is not credited.” “Why was my telecom licence suspended?”

RTI strategy. Post office RTIs at rtionline.gov.in → Department of Posts. Telecom at Department of Telecommunications.

Why high volume. CBSE, KVS, NVS, UGC, AICTE, NCERT, IITs, IIMs, IISc, NSP scholarships, and ministry-level policy matters.

Common subjects. Answer-sheet inspection, scholarship status, degree / mark sheet delays, college recognition, syllabus changes.

Typical queries. “Copy of my CBSE evaluated answer sheet for [Subject].” “My post-matric scholarship status for AY 2025-26.” “Is [College Name] recognised by UGC?”

RTI strategy. Name the examining body or funding agency. For scholarships, route to the Ministry / state dept that owns the scheme. See our RTI for students guide.

Why high volume. Citizenship, naturalisation, FCRA, passport (partly), internal security policy, prison administration, NPR / NRC matters, Disaster Management.

Common subjects. FCRA registration / renewal / suspension, citizenship applications, security clearance, sensitive-location permits.

Typical queries. “Status of my FCRA renewal application.” “Why has my citizenship application for 10 years been stuck?” “Copy of the state government report on [incident].”

RTI strategy. Quote the file number. For passport (PV part), see passport-delay RTI guide. Ministry of Home Affairs has the highest rejection rate among major ministries (13.33% in 2024-25) — be precise with Section 8 arguments in your First Appeal.

Why high volume. NHAI projects, vehicle homologation, e-Challan disputes, CVR matters, highway tolling.

Common subjects. Highway project status (Bharatmala / NHDP), toll-plaza concession agreements, vehicle recall investigations, FASTag disputes.

Typical queries. “Progress of [NH-XX] four-laning from km A to km B.” “Copy of the concession agreement for [Toll Plaza Name].” “Status of vehicle recall investigation on [Model].”

RTI strategy. Name the NHAI Regional Office / Project Director. For state roads, go to state PWD. For project tracking, see public projects RTI guide.

Why high volume. Large pensioner base (ex-servicemen), defence PSUs (HAL, BEL, BEML, OFB), service-matter grievances, defence lands / cantonments.

Common subjects. Pension discrepancies, service-record corrections, cantonment civil-area queries, procurement tender-related questions.

Typical queries. “Why is my Defence Pension not revised as per 7th CPC?” “Copy of the cantonment board's civil-area notification for [Cantonment].” “Tender award decision for [Contract].”

RTI strategy. Quote Service Number, PPO number, Regiment. For defence pension, CDA (Pensions) at Allahabad is the nodal CPIO. Watch Section 24 exemption for defence organisations (but the proviso for corruption / human-rights allegations remains).

Why high volume. Passports (through RPOs), consular services, visa matters, OCI / PIO cards, inter-governmental correspondence.

Common subjects. Passport delay / rejection, PCC status, consular attestation, OCI card issues.

Typical queries. “Current stage of my passport file.” “Status of my PCC for Germany visa.” “My OCI card application has been pending for 6 months.”

RTI strategy. File to the concerned Regional Passport Office (RPO) not MEA HQ. See passport delay RTI.

Why high volume. PMAY-Urban, Smart Cities Mission, AMRUT, DDA (Delhi), NCRB, urban transport authorities, CPWD.

Common subjects. PMAY-U beneficiary status, Smart City fund utilisation, DDA flat allotment, CPWD works execution.

Typical queries. “My PMAY-U first installment not released.” “Smart City Mission fund utilisation for [City].” “Status of DDA housing scheme draw.”

RTI strategy. For PMAY-U, name the State Urban Development Agency and the district-level ULB. See scheme delay RTI guide.

Why high volume. AIIMS, PGIMER, Safdarjung, central health schemes (PMJAY / Ayushman Bharat), CGHS, drug regulation (CDSCO), ICMR.

Common subjects. Hospital services, medicine stock, CGHS empanelment, PMJAY claim rejection, drug approval status.

Typical queries. “My Ayushman Bharat hospital claim has been rejected — why?” “Drug approval history for [Molecule].” “CGHS wellness-centre empanelment list.”

RTI strategy. Name the hospital or NHA / State Health Agency. See RTI for government hospitals.

Why high volume. PM-KISAN, PMFBY (crop insurance), APEDA, FCI, CACP.

Common subjects. PM-KISAN installment status, PMFBY claim settlement, MSP procurement records, soil-health card issues.

Typical queries. “Why is my PM-KISAN installment stuck?” “Copy of the crop-insurance claim rejection memo for PMFBY season [Season-Year].” “FCI procurement volume from [Mandi].”

RTI strategy. Quote beneficiary ID. See scheme delay RTI.

Why high volume. CEA, PFC, REC, NTPC, PGCIL, state DISCOMs (partly), solar-rooftop schemes, Ujala subsidies.

Common subjects. Power project clearances, subsidy disbursement, DISCOM corporate disclosure.

Typical queries. “Power project status for [Hydropower Project].” “Solar-rooftop subsidy release status in my application.”

RTI strategy. For state DISCOMs, route to the state portal, not MoP. For central PSUs, rtionline.gov.in.

Why high volume. Environmental clearances, forest clearances, CPCB, NGT references.

Common subjects. EC conditions, compliance reports, forest-land diversion, elephant-corridor decisions, tree-felling permissions.

Typical queries. “EC compliance report for [Project].” “Number of tigers in Project Tiger reserve [XX].” “Forest diversion proposal for [Area].”

RTI strategy. Check parivesh.nic.in first; RTI fills gaps. See environment RTI guide.

Why high volume. Aarogya Setu, UIDAI coordination, internet intermediary directions, IT Rules 2021 / 2023, CERT-IN.

Common subjects. Aarogya Setu data handling, content-takedown orders, IT Act notifications, Aadhaar policy (via UIDAI redirection).

Typical queries. “Content-blocking directions under Section 69A IT Act.” “Aarogya Setu source-code release status.” “UIDAI circular on [Subject].”

RTI strategy. For Aadhaar, see Aadhaar RTI guide. For IT Act matters, file to MeitY directly.

Why high volume. EPFO (Regional Offices), ESIC, DG Labour Welfare, labour courts, apprenticeship schemes.

Common subjects. PF withdrawal, EPS pension, ESIC claim, PF-employer default, unclaimed PF accounts.

Typical queries. “My PF claim is pending — why?” “Copy of default-notice issued to my employer.” “Status of my unclaimed PF account.”

RTI strategy. File to the correct EPFO Regional Office (not MoLE). See PF/pension RTI guide.

Why high volume. Central-government service records, CCS (Pension) Rules, CPGRAMS, Central Civil Services conduct rules.

Common subjects. CCS Pension calculation, APAR grading, disciplinary proceedings, service-matter rule interpretation.

Typical queries. “Explanation of CCS (Pension) rule [X] in my case.” “CPGRAMS ATR on my complaint [reference].” “Disciplinary proceedings status.”

RTI strategy. DoPT is the nodal transparency ministry — it publishes RTI guidelines. Cite DoPT OMs correctly in your application.

Why high volume. MGNREGA, PMAY-Gramin, DDU-GKY, SVEP, NRLM, PMGSY.

Common subjects. MGNREGA muster roll / wage dispute, PMAY-G installment status, PMGSY road progress, livelihood-mission beneficiary status.

Typical queries. “MGNREGA wages not credited — why?” “PMAY-G second installment not released.” “PMGSY road completion status for village [Name].”

RTI strategy. Start at Block Programme Officer / BDO. See rural RTI guide.

Why high volume. Pre-matric / post-matric / top-class scholarships, NBCFDC / NSFDC loans, SCA to SCSP, Tribal Sub-Plan, Waqf.

Common subjects. Scholarship status, loan application, caste-certificate issues (via state departments), Waqf property matters.

Typical queries. “Post-matric scholarship for AY 2025-26 — status.” “NBCFDC loan application — officer holding it.” “Waqf property details at [Location].”

RTI strategy. Scholarships usually via NSP Cell + state department — file dual RTIs.

Why high volume. FCI (procurement, storage, buffer), NFSA beneficiary database, Consumer Helpline (1915) dispositions, BIS standards, legal metrology.

Common subjects. Ration card errors, PDS short supply, FCI godown records, BIS ISI-mark complaints.

Typical queries. “Why was my ration card cancelled?” “FCI buffer stock at [Depot] on date.” “Consumer-helpline complaint disposition reference [number].”

RTI strategy. PDS routes to state food-supply department. FCI is central. Consumer helpline is central but processes through National Consumer Helpline (NCH) / NCDRC pathway.

Six broad subject clusters emerge:

Aadhaar, passport, driving licence, voter ID, PAN. Covered in detail in our Pillar 1 — RTI for daily life.

RRB, SSC, UPSC, state PSCs, bank-PO, insurance-officer, teaching-line recruitment. See RTI for students.

PF, pension, scholarship, subsidy (LPG, fertiliser), tax refund. See PF / pension and scheme delay.

NH projects, PMGSY roads, metros, railway doubling, Smart City works. See track public projects.

Grievance disposition, service failures, regulator action. See RTI when complaint is ignored.

File notings, cabinet approvals (post-decisional), stakeholder-consultation outcomes. See understand government decisions.

• Target the right ministry. The largest volume does not always mean the fastest reply. Ministry of Education has a 0.74% rejection rate; Home Affairs has 13.33%. Your chance of a clean reply is higher where rejection rates are lower.
• File to the custodian, not the headline office. PF to EPFO Regional Office, not Ministry of Labour. Passport to RPO, not MEA HQ.
• Quote a reference number. Pension PPO, PAN, beneficiary ID, file number. Every RTI without a reference adds 7–10 days of tracing.
• Check Section 4 first. Many ministries publish FAQ / beneficiary lists online. Your RTI fills the gap — focus on what is not online.
• Study ministry-specific templates. For complex subjects (tender, EC, policy), consult our templates library and applicant guide.

Where citizens file, citizens struggle. The high RTI volumes in Finance (tax refunds), Railways (recruitment + refunds), Communications (post offices), Education (scholarships + answer sheets), and Corporate Affairs (MCA 21) map almost exactly to the documented public-service pain points.

This is not a failure of these ministries — it is a signal. A transparent ministry, seen through RTI data, is one where citizens know they can ask and be answered. Low RTI volume in some ministries is not a compliment; it can indicate low public awareness or barriers to filing.

Over the next decade, expect RTI volumes to shift towards:

• Digital rights (MeitY) as the DPDP regime matures.
• Environment (MoEFCC) as climate policy accelerates.
• Health (MoHFW + NHA) as Ayushman Bharat expands.
• Welfare (MoRD + MoSJE) as DBT rails carry larger flows.

• Self-reporting. Public authorities report to the CIC. Independent audits (by CHRI and others) have flagged discrepancies in fee collection vs applications received.
• Coverage gaps. Not all 2,100+ central public authorities submit complete returns. Coverage in 2021-22 was ~87% by CHRI's reading.
• Year-to-year discontinuities. Re-classification of sub-authorities (e.g., EPFO under Labour vs Finance) can cause jumps.
• State-level data. Each State Information Commission reports separately. The aggregate picture is fragmented.

Use the figures in this article as directional indicators, not precision statistics.

Q1. Which ministry receives the most RTI applications in India?
In the most recent CIC Annual Report (2024-25), Ministry of Corporate Affairs topped at 2,54,657 applications, followed by Ministry of Finance at 2,20,283. In 2021-22, Finance led with 1,79,393. The top 2–3 rotate year to year but always include Finance, Corporate Affairs, Railways, and Education.

Q2. Why do people file RTIs most with Finance ministry?
Finance covers Income Tax, bank regulation (RBI), insurance (IRDAI), tax refunds, and EPFO coordination — each of which has a large, regular citizen-facing interface. A single taxpayer might file one RTI a year; multiplied across crores of taxpayers, the volume explains itself.

Q3. Which ministry has the highest RTI rejection rate?
Among major ministries in 2024-25, Ministry of Home Affairs had the highest rejection rate at 13.33%. Delhi High Court (22.88%) and the Supreme Court (13.73%) had even higher rates, but they handle smaller absolute volumes.

Q4. Which ministry is easiest for RTI filing?
Ministries with low rejection rates and high volumes include Ministry of Education (0.74%), Corporate Affairs (0.14%), and Road Transport & Highways (0.70%). But “easy” here means rejection rate, not speed — Railways, for instance, has many RTIs transferred (2.04 lakh transfers in 2021-22) before reply.

Q5. How do I identify the correct ministry for my RTI?
Ask: Who creates / holds the record? If you want your PF status, file to EPFO (under Labour). If you want your passport file, file to the RPO (under MEA). If you want your tax refund reason, file to Income Tax (under Finance). Our RTI for beginners guide has a custodian-mapping section.

Q6. Is RTI data the same as CIC case-decision data?
No. “RTI applications received” (CIC Annual Report) is the total inflow at public authorities. “CIC second appeals” is the smaller, filtered flow that reaches the Commission. The two correlate but are not the same dataset.

Q7. Can the CIC data be audited independently?
Yes, and it has been. CHRI's annual analysis highlights discrepancies such as fee-vs-volume mismatches. Readers can cross-verify with RTIs filed on rtionline.gov.in in specific ministries.

Twenty years of the RTI Act have produced a predictable but instructive pattern: citizens ask most where they interact most. The top 20 ministries in this article are where your RTI is most likely to land — and most likely to get answered, if the application is sharp, the reference is quoted, and the custodian is correctly identified.

Good RTI practice is not only about rights; it is about precision. Choose your ministry well, ask specifically, and the data shows you will usually be answered.

• How to file RTI in India — 12-step guide
• RTI for beginners
• Pillar — RTI Mastery
• RTI for passport delay
• RTI for scheme delay
• RTI for PF / pension delay
• Track public projects via RTI
• 10 landmark CIC decisions
• 10 absurd RTI replies

• Central Information Commission — Annual Reports at cic.gov.in/reports/annual-reports
• Commonwealth Human Rights Initiative (CHRI) — RTI programme at humanrightsinitiative.org
  • RTIs to GoI rose by 6.55% during the 2nd year of the pandemic — CHRI analysis of 2021-22 data
  • Findings from a preliminary study of the CIC's 2019-20 Annual Report
• Delhi HC, Supreme Court among top RTI rejectors in 2024-25: CIC report — Telangana Today, February 2026: telanganatoday.com/delhi-hc-supreme-court-among-top-rti-rejectors-in-2024-25-cic-report
• RTI applications shrank by 2.95% in 2020-21: CIC report — The Week
• Wrong RTI replies can attract Rs 25,000 fine: Ex-CIC — Business Standard
• Right to Information Act, 2005, as amended

Last reviewed: 21 April 2026. Figures sourced from CIC Annual Reports 2019-20 through 2024-25 and CHRI's independent analyses. Readers are encouraged to cross-verify with primary CIC publications for formal citation. Data in this article is directional, not statistically precise, given documented self-reporting caveats.