Home›Glossary›ESI

ESI

Tax

Employee State Insurance

A mandatory Indian social security scheme providing medical, sickness, and maternity benefits to employees earning below a wage threshold, funded by matching contributions from employer and employee.

Written by · Reviewed by the thecalcu.com team · Last updated July 4, 2026

What is ESI?

Employee State Insurance (ESI) is a mandatory Indian social security scheme, administered by the Employees' State Insurance Corporation (ESIC), that provides medical care and cash benefits to employees earning below a specified wage threshold. It is funded through matching contributions from both the employer and employee, calculated as a percentage of gross wages.

ESI is designed to protect lower and middle-income organized-sector workers against financial distress arising from sickness, maternity, disability, or employment-related injury, offering both healthcare access and income replacement during such events.

Formula

Employee ESI Contribution = Gross Wages × 0.75%

Employer ESI Contribution = Gross Wages × 3.25%

Total ESI Contribution = Gross Wages × 4%

Applicable only to employees earning up to the ESI wage ceiling of ₹21,000/month (₹25,000 for persons with disabilities).

Worked Example

An employee earns a gross monthly salary of ₹18,000, which is within the ESI wage ceiling.

Employee contribution = ₹18,000 × 0.75% = ₹135

Employer contribution = ₹18,000 × 3.25% = ₹585

Total monthly ESI contribution = ₹135 + ₹585 = ₹720

₹135 is deducted from the employee's salary, while the employer separately contributes ₹585, together funding the employee's ESI healthcare and social security coverage. Use the ESI calculator to compute contributions for any gross salary within the wage ceiling.

Key Things to Know

  • Wage ceiling determines eligibility, not just contribution amount: An employee earning above ₹21,000/month is not covered by ESI at all, unlike professional tax, which applies more broadly based on state-specific slabs.
  • ESI is deducted alongside other statutory payroll deductions: On an Indian payslip, ESI typically appears alongside TDS and professional tax as one of several mandatory deductions from gross salary.
  • Coverage continues mid-period even if wages rise: If a covered employee's wages increase above ₹21,000 mid-contribution-period, ESI coverage continues until the end of that contribution period (April-September or October-March).
  • ESI complements, not replaces, private health insurance: While ESI provides free or subsidized medical treatment at ESIC hospitals/dispensaries, many employers still offer supplementary private health insurance for broader coverage.
  • Employers must register and file returns: Beyond withholding and depositing contributions, ESI-covered employers must file half-yearly returns and maintain employee records with ESIC.

Related Calculators

ESI Calculator →Calculate your monthly ESI contribution as an employee and employer based on gross salary. Check ESI eligibility and see the exact deduction in seconds.

Related Terms

Professional TaxProfessional Tax (India)TDSTax Deducted at SourceGSTGoods and Services Tax

Frequently Asked Questions

Who is covered under the ESI scheme?

Employees earning up to ₹21,000 per month in gross wages (₹25,000 for persons with disabilities) working in establishments covered under the ESI Act, typically those with 10 or more employees, are mandatorily covered. Once covered, an employee remains eligible for that contribution period even if their wages temporarily rise above the threshold.

What are the current ESI contribution rates?

The employee contributes 0.75% of gross wages, and the employer contributes 3.25% of gross wages, for a combined 4% contribution rate. These rates apply only up to the ESI wage ceiling of ₹21,000 per month.

What benefits does ESI provide?

ESI provides medical benefits for the employee and dependents, cash benefits during sickness and maternity leave, disability benefits for employment-related injury, and a dependent's benefit paid to family members in case of the employee's death due to employment injury. It functions as a comprehensive social security net for lower and middle-income organized-sector workers in India.

Is ESI mandatory for all Indian employers?

ESI registration is mandatory for establishments (factories and specified categories of shops/establishments) employing 10 or more workers (in some states, 20) where at least one employee earns within the wage ceiling. Once registered, the employer must contribute for all eligible employees, even those who individually might not have triggered the threshold alone.

How is ESI different from EPF?

ESI provides health insurance and social security benefits (medical, sickness, maternity) funded by both employer and employee, while EPF (Employee Provident Fund) is a retirement savings scheme building a long-term corpus. They serve entirely different purposes and are both commonly deducted from the same payslip for eligible employees.