Divorce

no.original always preferred.go for duplicate copy from the issuing authority.

original is always preferred as it goes to the authenticity of the documents. without any additional requirements. if that is not possible. you wil have to prove that as a secondary evidence in court of law. also the document will have to be duly attested by relevant authorities

Aim to obtain a new copy for the certificate, if that's not possible then file an application for secondary evidence and call upon someone from the Mandir to prove the certificate. regards,

Original certificate or certified copy आर्य समाज मंदिर से पेश करवायें। court में उसकी मान्यता रहेगी।

make a new marriage certificate to Mandir

If the marriage was held in the recent past, you can still get it registered with the local authority as per the mandatory requirement of concerned law.

No. You must obtain a certified duplicate for legal purposes.