Expenditure exceeds sanctioned estimate by 58%
Wellness centre extension · Coimbatore, Tamil Nadu · sanctioned 24 Apr 2024 · detected 16 Jan 2026 (71 days ago)
Why this was flagged
Gradient-boosted residuals evaluated this work against 236 comparable sanctions in Tamil Nadu for the same category and financial year. Final expenditure diverges from the approved estimate beyond the tolerance learned for that work category, district and year. The residual for this record falls outside the learned tolerance, and the contribution breakdown below isolates which measured features carried the score.
- 01Expenditure / sanction ratio+22.6
- 02Revised estimate count+22.4
- 03Category cost residual (district)+19.3
- 04Time between revisions+19.3
- 05Agency historical overrun rate+9.4
Contributions are additive against the cohort baseline; they sum to the composite score and are recomputed whenever the underlying record changes.
Evidence
| Category median (district) | Rs 5.42 L |
| Revisions on record | 2 |
| Sanctioned | Rs 6.61 L |
| Released | Rs 6.74 L |
| Expenditure | Rs 10.47 L |
| Physical progress | 8% |
Record trail
- 24 Apr 2024Work sanctioned by the District Authority₹6.61 L · Coimbatore Jal Nigam Division
- 24 Apr 2024First instalment released to the implementing agency₹3.37 L
- 16 Jan 2026D-01 fired during the nightly scoring runGradient-boosted residuals · confidence 0.91
- 16 Jan 2026Alert routed to Internal audit unitResponse window 7 days
The work
Detector
Cost overrun against sanctioned estimate
Final expenditure diverges from the approved estimate beyond the tolerance learned for that work category, district and year.