Form / Return: ESI Contribution
Due Date: 15 May 2026
Who It's For: ESI-registered employers (10+ employees earning ≤ ₹21,000/month)
Description:
ESI contribution deposit for April 2026
Employer: 3.25%
Employee: 0.75% on gross salary 
Late Fee / Penalty: Interest @12% p.a. + damages 5% to 25% of arrears depending on delay period