On the generation of IRN, will the IRP send or e-mail the e-invoice to the receiver?

Request For Free Sandbox Access

On the generation of IRN, will the IRP send or e-mail the e-invoice to the receiver?

No. IRP will not do this. Upon receiving signed JSON from the IRP, the supplier can share the e-invoice (along with QR Code, etc.) in the agreed format to the receiver.