Corrections
Last correction: 25 September 2026 · 17 logged
induwara.lk publishes figures people act on, exam cut-offs, tax rates, exam fees, and it publishes them with a lot of machine help. That combination produces errors. This page lists the ones that reached a live page and have since been fixed, so you can check whether a number you took from here was one of them.
A correction is listed here when a published figure, date, code or factual claim was wrongand has been changed. An authority publishing a new value is not a correction; that is a data update, and it shows up as the “last verified” date on the tool itself.
If you think something here is still wrong, please tell Induwara Ashinsana. Reports get checked against the official source, and anything that turns out to be an error is fixed and added to this list.
- Tools
The generator calculator compared against a Rs 50 grid rate that is not in the tariff
- What it said:
- The generator running-cost calculator compared every generator with a fixed grid rate of Rs 50 a unit, described as a mid domestic block, and its worked examples said the 5 kVA home set cost 2.67× the grid and the 40 kVA office set 2.14×. No block in the PUCSL tariff in force since 11 May 2026 is Rs 50: domestic units cost Rs 5, 9, 14, 20, 28 and 44 up to 180 units a month, then Rs 32.50 and Rs 100 above, and shops and offices on GP-1 pay Rs 27 or Rs 36. Its FAQ said CEB domestic tariffs “sit far lower per unit” than a generator's Rs 103–134 of fuel per kWh, which is not true for a household above 180 units: it pays Rs 100 for each extra unit.
- What it says now:
- The tool no longer uses a fixed rate. It asks for your tariff and the units on your usual bill, and works out what the generator's monthly energy would add to that bill with this site's electricity bill calculator, which follows the PUCSL schedule; GP-2, industrial and time-of-use customers can type their own rate. On that basis the 5 kVA home set costs 1.49× what its 240 units would add to a 90-unit domestic bill (Rs 89.63 a unit), and the 40 kVA office set 2.97× the GP-1 rate of Rs 36. The FAQ now says a generator's fuel costs 3–34% more than a household's units above 180, before oil, servicing and the set itself, and 2.9–5.0 times the GP-1 rates.
Affected: /tools/sri-lanka-generator-running-cost-calculator
Written up in
docs/reviews/2026-09-25-generator-grid-rate.md - Tools
The driving licence calculator used a superseded fee schedule, and a fee structure that never existed
- What it said:
- The calculator charged a Rs 1,300 issue fee, a Rs 1,000 or Rs 1,400 practical-trial fee for every vehicle class, a Rs 700 top-up per extra class, Rs 800 for a duplicate, Rs 4,500 to convert a foreign licence and Rs 200 for postal delivery, and it quoted a headline “a first Class B licence comes to Rs 3,050”. None of those amounts appears on the Department of Motor Traffic's schedule; the schedule had been superseded for about ten months; and the per-class trial fee is not a charge the regulations contain at all. The page also stated an NTMI medical fee of Rs 750 or Rs 1,200 and an eight-year licence validity, neither of which could be sourced.
- What it says now:
- Schedule I of the consolidated regulations, transcribed item by numbered item from the Department's own page on 23 September 2026. The levy is charged per application and banded by how many classes are on it, Rs 2,500, Rs 3,000 or Rs 3,500 on normal service, every item carries both its normal and its same-day price, and a duplicate is Rs 2,800, or Rs 7,800 where the licence was lost. There is no trial fee: Rs 500 and Rs 1,000 are the fees for re-applying for the written and practical tests. The NTMI medical fee and the validity period are no longer stated at all, because neither has a reachable official source, and the page says so.
Affected: /tools/sri-lanka-driving-license-fee-calculator
Written up in
docs/questions/2026-09-22-dmt-licence-fees-superseded.md - Tools
The government salary increase calculator left out the circular's Rs 7,500 deduction
- What it said:
- The tool treated the whole gap between the old and new salary scales as the increase, skipping paragraph 3.8.2 of Circular 10/2025, which first deducts the Rs 2,500 and Rs 5,000 allowances the new scales absorb. It also gave the revised minimum basic salary as Rs 42,775, a number that appears nowhere in the circular, and repeated it in the FAQ and in every worked example, because those were typed in rather than calculated. An officer on the lowest scale was shown a January 2026 basic salary of Rs 38,041.25 and a final basic of Rs 42,775.
- What it says now:
- The deduction is applied and the tool reports the salary actually payable, which is what Schedule III of the circular prints. The lowest step runs from Rs 24,250 to Rs 40,000, paid as Rs 37,725 from 2025, Rs 38,863 from 2026 and Rs 40,000 from 2027. The formula was checked against all 1,998 salary-step rows in Schedule III and reproduces every one; nine of them, including the two officers the circular works through itself, are kept as tests in the code, and the worked examples are now computed rather than typed. The input labels say to enter the basic salary without the two allowances, which is where the error started.
Affected: /tools/sri-lanka-government-salary-increase-calculator
Written up in
docs/reviews/2026-09-23-w3-salary.md - Tools
The electricity bill calculator was 135 days behind the tariff
- What it said:
- The calculator billed on PUCSL's March 2025 schedule: six retroactive slabs, fixed charges of Rs 150/400/600/1,000/1,500/2,000, and a Rs 150 minimum bill. PUCSL replaced that structure with effect from 11 May 2026, so from that date every total the page produced was wrong. A 90-unit household was shown Rs 2,160 against an actual Rs 1,840; 165 units was shown Rs 8,070 against an actual Rs 5,760; 250 units was shown Rs 16,370 against an actual Rs 15,350. The appliance and EV charging calculators reuse the same engine and were wrong with it.
- What it says now:
- The three consumption bands PUCSL actually approved are modelled as they are printed: 0-60 units, above 60 up to 180, and above 180, each with its own rate ladder and its own fixed-charge steps. There is no minimum bill, because the current schedule has none. Bi-monthly cycles now scale the block limits by the billing days and charge one fixed charge per bill, which is the method PUCSL's own calculator uses. The engine was checked against that calculator on every unit count from 0 to 2,000 on both cycle lengths and agrees on all of them.
Affected: /tools/sri-lanka-electricity-bill-calculator, /tools/sri-lanka-appliance-electricity-cost-calculator, /tools/sri-lanka-ev-charging-cost-calculator
Source: PUCSL, Decision on Electricity Tariffs, approved tariff effective 11 May 2026 (Annex-2)
Written up in
docs/questions/2026-09-23-d-tou-and-may-2026-tariff-followups.md - Tools
Three other tools still quoted the retired electricity rates
- What it said:
- Rebuilding the bill calculator on the current tariff left superseded figures behind on pages that talk about the same schedule. The time-of-use page said the standard tariff's top block was Rs 75/kWh in three places; it is Rs 100/kWh. The air-conditioner page costed a 260 kWh month at “Rs 45/kWh … Rs 60/kWh”, neither of which is a rate in the current schedule. The EV charging page stated that its Domestic and Time-of-Use rates had both been cross-checked against the May 2026 determination, when only the Domestic side had been.
- What it says now:
- The domestic figures on all three pages are the approved ones (Rs 44 in the 121–180 band, Rs 100 above 180). The EV page no longer claims its time-of-use rates were re-checked when they were not. The time-of-use and EV pages now carry a visible notice giving the current D-TOU tariff — peak Rs 106.00, day Rs 47.00, off-peak Rs 33.00, fixed Rs 2,500 — and saying which half of each tool is on it, because those two tools still price the time-of-use side on the old rates and overstate the saving from switching.
Affected: /tools/sri-lanka-tou-tariff-calculator, /tools/sri-lanka-ev-charging-cost-calculator, /tools/sri-lanka-air-conditioner-size-calculator
Written up in
docs/reviews/2026-09-23-w3-electricity.md - Tools
The bus fare page estimated a fare from a distance, and estimated it high
- What it said:
- Typing a distance returned a rupee figure built from a fare table and class multipliers that were not the National Transport Commission's. They matched no NTC chart, before or after the 6 July 2026 revision. Scored against the corridors NTC does publish a full ticket for, the figure came out at roughly 1.5 to 1.95 times the real fare: about Rs 770 for Colombo to Kandy against NTC's Rs 521. It carried a disclaimer, on a page headed “Bus Ticket Price List 2026”.
- What it says now:
- The estimator is gone, not re-tuned. The page now publishes NTC's own fares and nothing else — the full ticket price for 55 inter-provincial routes and the 26 route-flat expressway services, every row re-checked against NTC's published PDFs on 23 September 2026 and matched on NTC's own route number. Search for a journey the page has no published fare for and it says so instead of estimating one. NTC does not publish how many kilometres a fare stage covers, so no distance-to-fare figure can be sourced at all. (On 1 October 2026 the inter-provincial list was extended from those 55 routes to all 439 NTC publishes, read from the same PDF.)
Affected: /tools/sri-lanka-bus-fare-calculator
Source: National Transport Commission — inter-provincial full bus fares, effective 6 July 2026
Written up in
docs/reports/2026-09-23-w3-store.md - Store
The AB-731 voucher page named the wrong level and the wrong candidate
- What it said:
- The exam was listed at Professional level, and the page said it is “aimed at analysts, data engineers and developers building on data platforms” and “expects real working experience, not just study”.
- What it says now:
- Microsoft lists the certification AB-731 earns — Microsoft Certified: AI Transformation Leader — at Beginner level, for business decision-makers who are “not expected to write any code”. The level is corrected to Fundamental and the paragraph rewritten from Microsoft's own description of the candidate.
Affected: /store/secbyte-ab-731
Source: Microsoft Learn — Microsoft Certified: AI Transformation Leader (exam AB-731)
Written up in
docs/reports/2026-09-23-w3-store.md - Store
A voucher was listed for a Fortinet exam that does not exist
- What it said:
- The store listed an “NSE 6 FortiSIEM Administrator” exam voucher at Rs 33,000.
- What it says now:
- The product is withdrawn and its page now returns 404. Fortinet's own FortiSIEM Administrator page is a training course, and states that the course has no certification exam; the only FortiSIEM exam Fortinet sells is NSE 6 - FortiSIEM 7.4 Analyst. It was deliberately not renamed to the Analyst exam, because we do not know which exam the supplier's voucher actually covers — that question has gone to them. If you ordered this voucher, please get in touch and we will sort it out.
Affected: /store
Written up in
docs/reports/2026-09-23-w3-store.md - Tools
Five more tools costed electricity at rates that had been retired
- What it said:
- Each of these priced electricity from its own copy of the tariff, and each copy was the March 2025 one. The two solar calculators walked their own Rs 13/32/45/70 blocks to work out the bill solar saves you, so both published payback years that were too slow: the 5 kW Colombo example paid back in “3.5 years”, and the 15 kW example put Net Plus 13 years ahead of Net Metering. The EV-versus-petrol page charged Rs 45/kWh, making an EV look like Rs 7.43 a kilometre and a Rs 3,000,000 premium look like an 8.5-year payback. The air-conditioner and GPU pages costed their worked examples at Rs 45/kWh too. One of the solar examples also read a 15 kW system onto the ≤ 10 kW feed-in tier, at Rs 27.00 instead of Rs 21.50.
- What it says now:
- None of these tools keeps a tariff any more. Each asks the same engine the bill calculator uses, so a determination is transcribed once and every page that prices a unit follows it. At the approved rates the honest figures are worse than what we published: the EV costs Rs 16.50 a kilometre, not Rs 7.43, and that example pays back in 13.8 years rather than 8.5. The solar figures move the other way — the units solar stops you buying cost Rs 100 each — so the Colombo example pays back in about 2.6 years. Every worked example on the five pages was recomputed from the code rather than edited, and the feed-in tier error is fixed. The five tools are now registered for a dated freshness review, which is what should have caught this in May.
Affected: /tools/sri-lanka-solar-net-metering-calculator, /tools/sri-lanka-solar-panel-payback-calculator, /tools/sri-lanka-ev-vs-petrol-cost-calculator, /tools/sri-lanka-air-conditioner-size-calculator, /tools/ai-gpu-power-supply-calculator
Written up in
docs/reviews/2026-09-23-w3-electricity-second-sweep.md - Tools
The time-of-use pages priced overnight power at less than half the real rate
- What it said:
- Both tools charged the January 2025 Domestic Time-of-Use rates. The time-of-use calculator billed off-peak at Rs 15, day at Rs 35 and peak at Rs 55 with a Rs 2,000 fixed charge; the EV charging page used Rs 18 off-peak. PUCSL replaced all of them on 11 May 2026. Because the standard-tariff side of both comparisons had already been rebuilt on the current schedule, the saving each page reported was not merely stale, it was biased: every figure flattered time-of-use. The EV page also costed petrol at Rs 366 a litre in its worked examples while its own code used the current Rs 434.
- What it says now:
- Both are on Annex-2 of the determination, read from the document's own text layer: peak Rs 106.00, day Rs 47.00, off-peak Rs 33.00, fixed charge Rs 2,500. Every worked example, self-test and FAQ figure on both pages was recomputed by running the code. Two of the six cases in the time-of-use tool reverse: a household using 180 units evenly across the day, and one a single unit into the top band, are now clearly worse off on time-of-use, where the old schedule had them saving. The page leads with that rather than with a saving, because the honest answer for a typical Sri Lankan household changed. Time-of-use still wins decisively where a large load genuinely moves overnight — an EV charged at 22:30 saves about Rs 40,750 a month against petrol.
Affected: /tools/sri-lanka-tou-tariff-calculator, /tools/sri-lanka-ev-charging-cost-calculator
Written up in
docs/reviews/2026-09-23-d-tou-rebuild.md - Store
Fortinet FortiManager and FortiNAC were listed at the wrong NSE level
- What it said:
- Both exams were sold and described as NSE 5 products, and the product headings contradicted the exam codes printed further down the same page.
- What it says now:
- Both are listed as NSE 6. Fortinet moved them on 15 July 2026, and the codes and headings now agree.
Affected: /store
Source: Fortinet training helpdesk: exam release register
Written up in
docs/reports/2026-09-22-store-seo.md - Store
AB-730 was described as a data-engineering exam
- What it said:
- The AB-730 voucher was filed under other vendors and described as an exam for data engineers.
- What it says now:
- It is listed as Microsoft Certified: AI Business Professional, a beginner-level exam for business roles, not engineers.
Affected: /store
Source: Microsoft Learn: Microsoft Certified: AI Business Professional
Written up in
docs/reports/2026-09-22-store-seo.md - Store
Microsoft Certified Educator was described as a system-administrator exam
- What it said:
- The MCE product title and summary presented it as a certification for system administrators.
- What it says now:
- It is presented as what it is: a certification for teachers and educators.
Affected: /store
Source: Microsoft Learn: Microsoft Certified Educator
Written up in
docs/reports/2026-09-22-store-seo.md - Blog
An automated internal-linker corrupted the text of 132 blog posts
- What it said:
- A link-inserting job ran without a working guard against linking inside an existing link. It produced nested links, anchor text that cut words in half, and 26 links pointing at pages that do not exist.
- What it says now:
- Every one of the 874 logged insertions, plus 43 links to removed pages, was undone across 261 posts, and the author's own text was confirmed byte-identical afterwards. The job is disabled and is now opt-in in code.
Affected: /blog
Written up in
docs/reports/2026-09-22-search-console-index-fixes.md - Tools
Links to tools that had been removed
- What it said:
- 45 pages linked to /tools/freelancer-usd-lkr-calculator, a page that no longer exists, and a handful of other links pointed at removed tools.
- What it says now:
- All of them point at live pages, and a link check now runs with the lint step that gates every deploy, so a link to a tool with no page stops the deploy instead of shipping.
Written up in
docs/reports/2026-09-22-search-console-index-fixes.md - Tools
Grade 5 scholarship school cut-off marks were invented, not transcribed
- What it said:
- The page carried nine hand-picked boys' schools whose cut-off marks were 7 to 11 marks too high, Royal College was shown as 184 against an official 175, Thurstan as 171 against 162, and the page claimed the figures were verified.
- What it says now:
- The Ministry of Education's complete signed release is transcribed in full: 302 schools across 24 districts, in both Sinhala and Tamil medium, each keyed to its Ministry census number. Every page of the scan was transcribed by hand and independently re-read by a second verifier before it shipped.
Affected: /tools/sri-lanka-grade-5-scholarship-cutoff-marks
Written up in
docs/questions/2026-09-03-grade5-school-cutoffs-were-fabricated.md
How the site is made, and who checks what, is set out on the about page. The limits of what these calculators can tell you are on the disclaimer.