ESOP query

ESOP stand for Employee Stock Option Plan.
ESOP is an option given to
→Directors
→Officers or
→Permanent employees
of the company or
of its subsidiary
in India or outside India
or of a holding company
or associate company of the company
to purchase or subscribe the securities
offered by the company
at a future date
at a predetermined price.

Radhe Shyam are ESOP AND SWEAT EQUITY SHARES SAME CLASS?

No.
Sweat Equity is grant of shares at discount or without monetary considerations.
Whereas Employee Stock Option Plan (ESOP) is grant of option to purchase share at predetermined price given to employees.

what are the benefits get the employees. How it works could you please brief

For better understanding and how it is actually work, you can use following link:

https://cleartax.in/s/esop