Applies to establishments with 10 or more employees (varies by state).
ESI Return Filing
Quick Reference for Your Business
Applicability · Due Dates · Penalties – everything you need to know about ESI Return Filing.
Applicability & Rates
Covers employees earning up to ₹21,000 gross per month.
Employee: 0.75% | Employer: 3.25% | Total: 4% of gross wages.
Daily wage up to ₹176 — employee share exempt (employer still pays).
An employee crossing ₹21,000 mid-period stays covered till the period ends.
Information / Documents to Provide
for each employee
Name, DOB, Aadhaar, bank, mobile and family / nominee details (for IP registration)
with date of leaving
of covered employees
and portal login
if any occurred during the month
Due Dates
| What | Last Date |
|---|---|
| Monthly contribution | 15th of next month |
| Half-yearly return (Apr–Sep) | 11 November |
| Half-yearly return (Oct–Mar) | 11 May |
ESI is calculated on gross wages, not basic salary — the most common error that creates a shortfall.
Penalties
12% per annum from the day after the due date.
5% to 25% of arrears depending on the length of delay.
A criminal offence under the ESI Act.
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