How Overtime Cost Leakage Drains 8–12% of Contractor Spend in Indian Factories

Overtime cost leakage in Indian manufacturing refers to the gap between overtime hours actually worked and overtime hours correctly compensated. It runs in both directions: workers underpaid on legitimate OT (a compliance liability) and factories overbilled for OT that did not occur (a financial drain). InOps platform data shows that manual OT reconciliation produces material discrepancies on every payroll cycle for plants that rely on spreadsheets and paper registers.

The three types of OT leakage

Unauthorised OT: Workers stay beyond their shift without formal approval. Line supervisors allow it informally; HR and payroll learn about it only when the contractor invoices or the worker claims it. This is the most common type across Indian manufacturing.

Ghost OT: Overtime claimed in contractor invoices for hours that biometric records do not support. In most cases this is not deliberate fraud — it is a data-entry error at the contractor's side that the principal employer has no mechanism to detect without worker-level attendance records.

Unclaimed legitimate OT: Workers owed overtime pay who do not receive it — common where contract workers are unaware of their Factories Act entitlement or cannot navigate the contractor's claims process. This is a compliance liability for the principal employer, not just an operational problem.

Why the Factories Act OT limit matters

Under Section 59 of the Factories Act, 1948, overtime must be paid at twice the ordinary rate of wages for every hour worked beyond the normal shift. Section 64 caps overtime at 50 hours in any quarter. State rules may impose stricter limits. A factory that allows untracked overtime is simultaneously overpaying (if it's ghost OT) and potentially underpaying (if legitimate OT goes unrecorded) — and faces inspection risk on both counts.

How biometric attendance closes OT leakage

When biometric punches are the system of record for shift start and end, every minute of potential overtime is timestamped against a specific worker's identity. The CLMS can automatically flag when a worker's punch-out creates an OT condition, require digital approval from the line supervisor before the OT becomes payable, and cross-reference the contractor's invoice against the biometric record line by line.

Plants using InOps CLMS with biometric integration report that invoice discrepancy rates drop to near zero after the first payroll cycle on the system. The contractor can no longer invoice for hours that the gate record does not support.

The financial model: what OT leakage costs at scale

For a manufacturing plant with 500 contract workers at an average wage of ₹15,000/month, the OT budget typically runs at 8–12% of gross contractor spend. A 20% discrepancy in OT tracking — easily achievable with manual processes — represents ₹12–18 lakhs of annual leakage for that plant alone.

At 1,000 contractors across multiple sites, the figure scales proportionally. The ROI on a CLMS that closes OT leakage is almost always measured in months, not years, because the savings start from the first payroll cycle.