Some work is be done by you ( querist) and employees.
https://www.esic.nic.in/coverage.php
ESIC: Visit nearest ESIC office ( Google Search) or speak to Jurisdictional Inspector on phone.
The existing wage limit for coverage under the Act is Rs. 15,000/- per month ( w.e.f. 01/05/2010).
Wage ceiling: w.e.f; 1st Jan, 2017; Es.21000/pm
https://www.labourlawreporter.com/esi-limit-enhanced-to-rs-21000-w-e-f-1st-jan-2017/
Obtain previous notifications from ESIC.
The way out for coverage by ESIC is to be found by you/employees/employer.
There are many companies in your trade/their employees that were, but benefit was never provided. That is default.
IN resignation; mention as per demand by email dated …………………….of employer and phone call of HR person Mr/Ms……………..dated/time;……….. from phone number………………..at phone number………………..asking/demanding for resignation…………by email.
Tender notice of resignation as per appointment letter, under proper acknowledgment.
Demand to send acceptance.
Send DWR till LWD.