Nikah on visit visa

My future's brother in law wants to have his second nikkah on visit visa with my sister.
Both are Pakistani national, since the Pakistan law does not allow second nikkah without first wife's permission.

Can anyone guide in which country registered nikkah can be held?
Anxiously waiting for reply
Regards
User12345678

Hi User12345678,

Just to inform you that your topic is now on the United Arab Emirates forum for more visibility and interaction.

Hi frist time i m hearing pakistan law is not giving permission for second nikha without first wife knowledge, in which country they are at present my younger brother just had nikha in Pakistan, Karachi

They are in Pakistan.

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