What ESIC is
The Employees' State Insurance Corporation is a statutory body that administers a contributory social insurance scheme. Employers and employees pay in, and insured persons draw medical care and cash benefits out.
It is worth separating three things that get conflated.
- ESIC, the Corporation, which administers the scheme, runs hospitals and dispensaries, and holds the fund.
- The scheme itself, which is the set of benefits and the contribution machinery.
- The statute, which was the Employees' State Insurance Act, 1948 and is now Chapter IV of the Code on Social Security, 2020, in force since 21 November 2025.
The Code replaced the Act and kept both the Corporation and the scheme. So an employer's practical obligations did not change on 21 November 2025; the citation in their documentation did. This is the same pattern as the provident fund side, where the EPFO and its schemes continued under the same Code.
What distinguishes state insurance from provident fund is what the money buys. Provident fund accumulates a balance the member eventually receives. State insurance buys cover: it pays only when something happens, and if nothing happens the contributions are not returned.
Who is covered
Two conditions have to be met, and both are commonly misunderstood.
First, the establishment has to be covered. Coverage depends on the type of establishment, the number of employees and whether the area has been notified as implemented. Coverage has been extended progressively, and the position for a specific district should be checked rather than assumed from an older understanding.
Second, the employee has to be within the wage threshold. Employees earning above it are not insured persons, and contributions are not payable for them. The threshold is prescribed and has been revised.
The rule that catches payroll teams is what happens when an employee crosses the threshold mid-period. Coverage does not stop the moment their wages rise. They continue as an insured person until the end of the contribution period in which the increase occurred, with contributions payable on their actual wages for that whole period. Stopping the contribution in the month of the increment is the single most common state insurance error.
Employees below the prescribed daily average wage are exempted from the employee's own share while the employer's contribution remains payable, which is worth building into the calculation rather than handling as an exception.
Contribution periods and benefit periods
The scheme runs on two pairs of six-month windows, and they are offset from each other. Contributions paid in one window entitle the insured person to benefits in a later one.
| What it is | Why it matters | |
|---|---|---|
| Contribution period | A fixed six-month window in which contributions are paid | Determines continued coverage after a wage increase, and eligibility for the corresponding benefit period |
| Benefit period | A fixed six-month window, offset from the contribution period | When the insured person can actually draw benefits based on those contributions |
Neither window is the financial year, and that is the point most often missed. An employer thinking in April-to-March terms will get the coverage continuation rule wrong, because the contribution period does not end in March.
The offset has a practical consequence for employees too. A new joiner is not immediately entitled to the full range of cash benefits, because entitlement depends on contributions in the relevant earlier period. Explaining that at joining avoids a difficult conversation at the point someone actually needs to claim.
Confirm the current period dates and the eligibility conditions for each benefit before relying on them.
What the employer has to do
- Register the establishment once it becomes coverable, and register each employee so that an insurance number is allotted.
- Compute contributions on wages as defined for the purpose, at the prescribed employer and employee rates.
- Deposit both shares by the prescribed monthly due date. The employee's share is deducted from wages; the employer's is its own cost and cannot be recovered from the employee.
- File the prescribed returns and maintain the prescribed registers.
- Keep an accident book and report employment injuries, which is a separate obligation from the contribution machinery and is frequently overlooked.
- Handle exit correctly, since coverage and the ability to claim depend on the contribution record.
Late deposit attracts interest and damages, and the employer's share is a cost that cannot be passed on. The most expensive failures here are not usually rate errors but coverage errors: an employee who should have been insured and was not has a claim against the employer for benefits they could not draw.
What goes wrong
- Contributions stopped in the month an employee's wages crossed the threshold, rather than at the end of the contribution period.
- An establishment that became coverable through headcount growth and never registered, because nobody was tracking the threshold.
- Coverage assumed not to apply because the area was not implemented, using an understanding that predates the extensions.
- Contract workers at the premises treated as entirely the contractor's concern, when the principal employer is not insulated from the contractor's failure to contribute.
- The employee's share deducted but the employer's share not deposited, which is both a contribution failure and, for the employee's share, holding money that was never the employer's.
- Employment injuries not reported, so an insured person's claim fails on the employer's record rather than on the merits.
- Maternity benefit handled twice or not at all, because the interaction between the scheme and the employer's own obligation was never settled per employee.
What the Code on Social Security, 2020 replaced
9 enactments stand repealed under s. 164(1), in force 21 November 2025 by S.O. 5319(E).
- Employee's Compensation Act, 1923
- Employees' State Insurance Act, 1948
- Employees' Provident Funds and Miscellaneous Provisions Act, 1952commenced 3 May 2023 by S.O. 2060(E); the scope of this repeal is unresolved
- Employment Exchanges (Compulsory Notification of Vacancies) Act, 1959
- Maternity Benefit Act, 1961
- Payment of Gratuity Act, 1972
- Cine-Workers Welfare Fund Act, 1981
- Building and Other Construction Workers' Welfare Cess Act, 1996
- Unorganised Workers' Social Security Act, 2008
Across all four labour Codes, 29 enactments stand repealed. A policy or handbook that still cites one of them by name is describing rules that no longer exist.
Statutory reference
- Act
- Code on Social Security, 2020
- Section
- Code on Social Security, 2020, Chapter IV (employees' state insurance): constitution and functions of the Employees' State Insurance Corporation; application of the scheme and coverage of establishments; the wage threshold for an employee to be an insured person; contribution periods and benefit periods; rates of employer and employee contribution and the exemption from the employee's share below a prescribed average daily wage; benefits including sickness, maternity, disablement, dependants' and medical benefit; employment injury and reporting; registers, returns and the principal employer's position in respect of contract labour. In force 21 November 2025, repealing the Employees' State Insurance Act, 1948 along with eight further statutes. Section 2(88) (definition of wages)
- Key limits
- Coverage requires both a covered establishment and an employee within the prescribed wage threshold. An employee crossing the threshold mid-period remains covered until the end of that contribution period. Contribution and benefit periods are fixed six-month windows offset from each other and are not the financial year. Each mention was checked and each is framed as repealed or historical rather than as current law; The current-law position is stated from the corresponding Code.
Frequently asked questions
What is ESIC?
The Employees' State Insurance Corporation, the statutory body that administers the state insurance scheme providing medical care and cash benefits to insured persons and their dependants. It continues under the Code on Social Security, 2020, which replaced the 1948 Act.
What is the difference between ESI and ESIC?
ESIC is the Corporation that administers the scheme; ESI is the scheme and the contributions themselves. The terms are used interchangeably in practice, but registration, returns and correspondence are with the Corporation.
What happens when an employee's salary crosses the ESI wage limit?
They remain an insured person until the end of the contribution period in which the increase occurred, with contributions payable on actual wages for that whole period. Stopping the deduction in the month of the increment is the most common error in this area.
Is ESI contribution refundable like PF?
No. State insurance buys cover rather than accumulating a balance. If no benefit is claimed, the contributions are not returned. That is the fundamental difference between the two schemes and it surprises employees who expect a withdrawable balance.
Are contract workers covered by ESI?
Yes, through their employer, and the principal employer is not insulated from a contractor's failure to contribute for workers engaged at its establishment. Verifying that deposits were actually made is part of managing a contract labour arrangement.
Did the Labour Codes abolish ESIC?
No. The Code on Social Security, 2020 repealed the Employees' State Insurance Act, 1948 and brought the scheme into Chapter IV of the Code, but the Corporation and the scheme continue. What needs updating is the citation in your policies, not usually the process.
How Engage handles state insurance
Engage holds coverage per employee against the contribution period rather than the calendar month, so an employee whose wages cross the threshold keeps contributing to the end of the period instead of dropping out in the month of the increment. Establishment coverage is tracked against headcount so a threshold crossing is visible before it becomes a registration failure, and contributions, challans and returns come out of the same payroll run.
See statutory contributions in Engage