What process are you referring to with your question?Me and my Fiance are of Indian origin however come from two different religions (Christian and Hindu). Does this affect the process ?
After obtaining the marriage license, willl the marriage will take place in the Indian Embassy in Canada or at a marriage council office? As the indian embassy has their own rules like an NOC From parents etc in order to conduct a civil marriage.
Also, how many witnesses have to be present ? if yes, do we have to submit their paperwork too.
If you are married, and your marriage is recognized as valid by IRCC then you will be assessed just like everyone else on the legitimacy of your relationship. Some things may raise questions with IRCC which they may ask you about. It's best not to over-think anything but still to anticipate what IRCC may see as a concern and truthfully address it with the evidence you show in support of your relationship when you apply for PR through sponsorship if you are sponsoring a spouse.