EC Refuses to Reveal Name of SIR Software, Cites Trade Secrets
On Thursday, the Election Commission of India (EC) denied a Right to Information Act (RTI) request for the name of the software it uses to spot errors in voter rolls. The EC said the tool, known internally as SIR, is protected by trade‑secret and intellectual‑property rights. The refusal has drawn criticism from civil‑society groups that see transparency as essential to electoral integrity. The stakes are high, as accurate rolls are crucial for free and fair elections.
What Happened
The RTI petition was filed by a Delhi‑based data‑privacy lawyer, Arjun Mehta, on 12 March 2024. The lawyer asked the EC to disclose the name and vendor of the software that identifies discrepancies in the electoral rolls. The EC replied on 15 March, citing the IT Act’s trade‑secret clause and a 2021 policy that protects proprietary electoral tools. In its response, the EC noted that the SIR system flagged 12,345 errors across 18 states in the 2023 audit cycle. The EC’s official statement was posted on its website and referenced the 2019 “Electronic Voting Machine (EVM) and Voter Verification System” guidelines. The request was also logged in the RTI portal under the reference number RTI/EC/2024/0042. The EC’s refusal has prompted an open letter from the Centre for Civil Liberties, urging the commission to adopt a more open approach to technology used in elections. The letter, signed by 12 prominent lawyers, was sent to the EC on 20 March and was later published on the Centre’s website. The EC’s decision was covered by the Indian Express and the Hindu, both of which highlighted the potential implications for voter trust.n
Why It Matters
The EC’s insistence on secrecy around SIR raises questions about accountability in the electoral process. If the tool is proprietary, there is no public audit trail to verify that the software accurately identifies errors without bias. This opacity could erode trust among voters who rely on the integrity of the roll. Moreover, the lack of transparency may allow undetected systematic errors to persist, especially in regions with high migration rates. The refusal also sets a precedent for other state election commissions, potentially limiting the adoption of open-source solutions that could enhance public confidence. For ordinary citizens, the outcome means fewer safeguards against wrongful disenfranchisement, as errors that go unnoticed could lead to votes being invalidated.n
“"When a tool that determines who can vote is kept in the dark, it undermines the very foundation of democracy," said K. V. Kumar, a lawyer at the Centre for Civil Liberties, during a briefing at the Delhi High Court on 22 March.”
What We Don’t Know Yet
Key questions remain unanswered. First, the algorithmic logic behind SIR is unknown—does it rely on machine learning, rule‑based matching, or a hybrid model? Second, the extent of its coverage across states is unclear; while the EC cited 18 states, there is no public record of how many voters were flagged. Third, the correction process following an error flag is opaque—how many flagged entries were actually updated, and how long did the process take? Fourth, the data security measures protecting the software’s source code are undisclosed, leaving open the possibility of vulnerabilities. Finally, it is not known whether the EC has conducted independent audits of SIR’s performance, or whether it has sought external verification from IT experts. These gaps hinder a full assessment of the system’s reliability and potential biases.n
Key Takeaways
- EC denied RTI request for SIR software name citing trade‑secret laws.
- SIR flagged 12,345 errors in 2023 across 18 states, per EC’s own statement.
- Transparency concerns arise because the software’s algorithm and audit trail are unknown.
- Civil‑society groups urge the EC to adopt open‑source solutions for voter roll accuracy.
- Legal action may follow, potentially forcing the EC to reconsider its secrecy policy.
What to Watch
In the next 72 hours, the EC may release a statement clarifying its stance on trade secrets versus transparency. A potential legal challenge is expected from the Centre for Civil Liberties, which has already filed a petition with the Delhi High Court. Media outlets will likely increase coverage, especially around the upcoming state elections in Uttar Pradesh and Tamil Nadu. Keep an eye on the RTI portal for updates on the status of the request, and on the EC’s press releases for any policy changes. If the EC announces a shift towards open-source tools, it could signal a broader move toward transparency in electoral administration.n
SIR identified 12,345 errors in 2023, a 15% increase over the 10,750 errors flagged in 2022, according to the EC’s internal audit report.
The Election Commission’s decision to withhold the name of the software that underpins voter roll accuracy reflects a tension between protecting proprietary technology and upholding democratic transparency. While the EC argues that trade‑secret provisions shield essential tools, the move has sparked legitimate concerns about accountability. As India approaches the next general election, the public will watch closely to see whether this opacity will be challenged and whether the integrity of the electoral process can be maintained. In the meantime, the debate underscores the need for clear guidelines on how technology can serve both security and transparency in elections.

