Dear ramesh_vpos,
The functionality you are referring to on Sharma Suvidha portal pertains to Labour Acts falling under Central Labour Commissioner and DGMS and not related to ESI or PF.
Apart from this, there is no such notification from ESI or PF Department on Annual Returns post implementation of online system, hence Monthly Returns will suffice the purpose.
Hope this clarifies the doubt.
Best Regards,
Jayanta
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