How to Repay ESI deducted amount to employee ?

Hi Team,

In April Month ESI is deducted for employees. but in may month we have removed ESI groping removed for few Personal areas which ESI is not applicable.

ESI is not applicable for employees.but in april month esi is deducted for employee.Now we want to repay deducted ESI amount to concern employees.

How Can i Repay deducted ESI amount employees for April Month.

Thanks,

Anand