How to upload the Form 16 with digital signature to ESS?

Hi Experts,

We are not using .pfx format for digital signature. For this reason we download Form-16’s from SAP & get it signed by using 3^rd party tool. Now we want the form 16 to upload in ESS. Please let me know the process to upload Form 16 to ESS.

Thanks in advance.

Regards,

Triven Kumar Reddy.