Case Study

How a plant cut 90-day contract attrition by half

A Tamil Nadu auto-component plant was losing one in three contract hires inside 90 days. What the exit data showed, and what changed on day one and payday.

Gloved hands lowering a component onto a cast engine block held in an assembly fixture.

A mid-sized auto-component manufacturer in Tamil Nadu was losing roughly one in three new contract workers inside their first ninety days, and paying the pre-deployment file twice for every one of them. The exit data pointed at the first payday, the first day and the ride to the gate, not at the wage rate. Fixing those three, most of them duties under the Codes already, brought the ninety-day exit rate down by about half over two quarters. This is a representative composite; no single client is described.

The situation

~220contract workers on assembly and sub-assembly across two shifts [VERIFY: composite figure]
~90new contract starters in a typical quarter, replacement and growth [VERIFY: composite figure]
~32%of those starters gone inside 90 days when we took over the requirement [VERIFY: composite figure]
~6 weeksaverage tenure of a leaver, so most left after the first payday, not before it [VERIFY: composite figure]

The plant made machined and assembled components for vehicle manufacturers on two shifts, with a permanent workforce on the machining cells and a contract workforce of about 220 on assembly, sub-assembly, inspection and packing [VERIFY: composite figure]. Its position was not unusual: contract workers were 42% of the organised manufacturing workforce in 2023-24, and this plant sat close to that line [VERIFY: ASI 2023-24, MoSPI, via Business Standard]. The plant HR head's complaint was framed as a supply problem, that the previous arrangement could not keep the line at strength. Ninety starters a quarter to hold a headcount of 220 said the problem was the other way round: the gate was taking in enough people, and the floor was not keeping them.

The arithmetic of that leak is what made it a priority. Each leaver inside ninety days meant a second screening and document check, a second UAN verification, a second ESIC registration, a second induction, and a month in which the contractor's ECR and the plant's gate register did not agree. On the plant's own numbers a third of ninety starters is about thirty repeat files a quarter, and thirty repeat files is one full-time person's work doing nothing but replacement [VERIFY: composite estimate]. Staffing-industry estimates put monthly blue-collar attrition at 8 to 24% by sector, so the plant was inside the range rather than an outlier, which is exactly why nobody had treated it as fixable [VERIFY: BetterPlace and TeamLease figures via PR Newswire; methodology not examined].

What the exit data showed

Before changing anything we called every worker who had left in the previous two quarters and would take the call, and coded the answers. Around 110 conversations produced a distribution that put the plant's own explanation, "they found better money elsewhere", in fourth place [VERIFY: composite figures, all rows].

Reason given for leavingShare of leaversWhat was actually happeningDuty already on the employer
First wage late, short, or deductions not understood~38%Wages reached accounts on the 9th to 12th; PF and ESI deductions on the first payslip with no explanation; several believed they had been underpaidCode on Wages 2019, s.17(1): payment before the 7th; OSH Code s.55: bank transfer and electronic intimation [VERIFY: s.55 number]
Did not know the role, shift or terms~19%No appointment letter; told the shift on arrival; some had been promised day shift and put on nightsOSH Code s.6(1)(f): appointment letter for every employee [VERIFY: clause letter]
Transport and distance~16%Second-shift finish with no bus; workers from 20 km out paying a third of a day's wage on autosNone in statute; a practice question the site controls
Better wage elsewhere~14%Real, but concentrated among workers who also gave one of the first two reasonsRate question, out of scope here
Other: family, health, festival, no return~13%Inter-state workers who went home for a festival and were treated as leavers rather than as on leaveOSH Code s.61: journey allowance for inter-state migrant workers [VERIFY: section]

Two things stood out. More than half of the leavers had left over something the Codes already require the employer to do, on a date the Codes already set. And the deduction complaint was mostly a communication failure: the PF and ESI money had in fact been deducted and, for workers whose UAN was seeded, remitted; the worker simply had no way to see it and nobody had told them where to look. A deduction the worker cannot see in a passbook looks like a wage cut, and a worker who believes their wage was cut in week five does not stay for week ten.

What we did

We changed the first day, the first payday and the ride, in that order, and left the wage rate alone. Every change below was written into the deployment checklist so it happened for every starter, not for the ones a good supervisor happened to catch.

  • The file is complete before the first shift, not after. Aadhaar-seeded UAN verified and ESIC insurance number generated before the worker reaches the gate, so the first month's contribution lands in a passbook the worker can open on their phone. EPFO has accepted returns only against Aadhaar-seeded UANs since 1 June 2021, and from the wage month of November 2025 without exception, so this was overdue anyway [VERIFY: EPFO circular of 15 June 2021 and order of 1 December 2025, via secondary reports]. ESIC registration within ten days of joining was moved to day one [VERIFY: ESI (General) Regulations 1950, regs 10B, 11, 12].
  • An appointment letter in hand on day one. Role, shift pattern, wage, wage period and pay date, in Tamil and in Hindi for inter-state workers, signed and copied to the plant. The pay date printed on the letter became the date the contractor was held to.
  • Induction as a shift, not a signature. The first shift was spent on the line with the supervisor, not in a room with a form: the station, the safety points for it, the PPE and where to get it replaced, and who to ask. Section 6(2)(c) of the OSH Code calls this the information, instruction, training and supervision necessary for health and safety [VERIFY: clause reference]; the retention effect came from the worker leaving day one knowing the job.
  • Wages by the 7th, and the first payslip explained. The contractor's pay run was moved to the 5th with bank transfer only, and the electronic wage intimation to the plant became a standing item in the monthly pack. Every new starter's first payslip was walked through by the supervisor, line by line, with the PF passbook and the ESIC card opened on the worker's phone at the same time.
  • A named supervisor for every fifteen starters. The contractor's default ratio had been one to forty across the floor. New starters were grouped under a named lead for their first ninety days, and the lead was the person who made the 30, 60 and 90-day check-in calls.
  • A second-shift pickup. One contract vehicle on a fixed route covering the three areas most leavers came from, timed to the second-shift finish. It was the only item on the list that cost money rather than discipline, and it was cheaper than the repeat files it replaced [VERIFY: composite].
  • Festival leave as leave. Inter-state workers going home for Pongal or Diwali got the journey allowance the Code provides, a return date, and their UAN and ESIC kept live through the break, so that they came back to the same file instead of a new one.

What changed

Over the two quarters after the changes the ninety-day exit rate for new contract starters fell from about 32% to about 15%, and the number of starters needed to hold the 220 headcount fell from around 90 a quarter to around 55 [VERIFY: composite figures]. The average tenure of a leaver moved out past the first payday, which is the sign that the payday fix had worked: the workers who still left were leaving for a better rate or for reasons at home, not because of something the site had done wrong in week five. The contractor's ECR and the plant's gate register reconciled without adjustments for the first time in a year, because the file was complete before the first shift and nobody was being re-enrolled mid-month [VERIFY: composite].

MeasureBeforeAfter two quartersNotes
90-day exit rate, new contract starters~32%~15%Composite figures [VERIFY]
Starters needed per quarter to hold headcount~90~55Replacement volume, not growth [VERIFY]
Leavers citing first-wage problems~38% of leaversunder 10% of leaversPay run moved to the 5th; payslip walk-through [VERIFY]
Repeat pre-deployment files per quarter~30~13Screening, UAN, ESIC, induction each done once [VERIFY]
ECR to gate-register reconciliationAdjustments every monthCleanFile complete before first shift [VERIFY]

Three of the seven changes cost the site nothing beyond insisting on them, because they were the contractor's duties under the Codes already: the appointment letter, the pay date, the registrations. Two were supervision decisions, the induction shift and the one-to-fifteen ratio. One, the pickup vehicle, was a cost the repeat files had been hiding. The plant now runs the ninety-day exit rate as a standing number in its monthly contractor review, alongside the ECR reconciliation, and asks for the exit reasons by category each quarter. Which duties a principal employer must itself discharge, as against verify in the contractor, depends on how the engagement is structured and is a question for the site's own counsel; this composite describes a method, not a guarantee.

Sources

  • Figures are a representative composite drawn from our own deployments; no single client is described. Founder to confirm or replace before publish.
  • Ministry of Labour and Employment, FAQs on the OSH Code, 2020 (January 2026) — Q10 (the Code does not distinguish regular, contract and migrant workers), Q16 (welfare facilities provided by the principal employer), Q19 (experience certificate). Opened and read for the sibling post.
  • The Code on Wages, 2019 (Act 29 of 2019), Gazette text hosted by the Ministry of Labour and Employment — s.17(1), wages for a monthly wage period before the seventh day of the following month.
  • Occupational Safety, Health and Working Conditions Code, 2020 (Act 37 of 2020) — s.6(1)(f) appointment letter, s.6(2)(c) induction and training, s.55 electronic wage payment and intimation, s.61 journey allowance for inter-state migrant workers [VERIFY: clause letters and section numbers from secondary sources]
  • EPFO circular No. WSU/15(1)2019/ATR/529 dated 15 June 2021 and EPFO order dated 1 December 2025 (Aadhaar-seeded UAN required for ECR) [VERIFY: from secondary reports]
  • Employees' State Insurance (General) Regulations, 1950, regs 10B, 11 and 12 (registration within ten days of joining) [VERIFY: regulation numbers from secondary summaries]
  • Annual Survey of Industries 2023-24, MoSPI, contract workers 42% of organised manufacturing employment, as reported by Business Standard [VERIFY against the MoSPI release]
  • BetterPlace and TeamLease Services, blue-collar monthly attrition of 8 to 24% by sector, as reported by PR Newswire [VERIFY: underlying report and methodology not examined]

Frequently asked questions

What is a normal 90-day attrition rate for contract workers in manufacturing?

There is no published benchmark specific to the first ninety days. Staffing-industry estimates put monthly blue-collar attrition at 8 to 24% depending on the sector, which compounds to a large share of a quarter's starters. The useful number is the site's own: starters in a quarter against leavers inside ninety days, by reason. A rate near one in three, as in this composite, usually points at payday and induction rather than at the wage rate.

Why does the first payday matter so much for retention?

Because it is the first time the worker tests whether the promise was real. A wage that arrives after the seventh, short of what was quoted, or with PF and ESI deductions nobody explained reads as a broken promise, and the worker starts asking around. The Code on Wages requires payment before the seventh day of the following month; the retention effect comes from meeting that date and walking the worker through the first payslip with the PF passbook open.

Does reducing early attrition require paying contract workers more?

Not usually as the first step. In this composite, wage rate was the fourth reason for leaving, and most of the leavers who cited it had also cited a late first wage or an unclear role. The changes that moved the number were an appointment letter on day one, registrations completed before the first shift, wages by the seventh with the payslip explained, a named supervisor, and transport for the second shift. Rate is a separate conversation.

How does early attrition affect a principal employer's compliance file?

Every leaver replaced mid-month is a worker whose ESIC registration, UAN seeding and induction are done again, and a month in which the contractor's ECR headcount and the site's gate register disagree. A high ninety-day exit rate shows up in the compliance pack as constant adjustments. Completing the file before the first shift and keeping starters past the first payday is what makes the monthly reconciliation clean.