Your marriage with a foreign citizen, solemnized as per the law of that country, besides you being a NRI do not have any legal impact in India even if you don't register the same in India India.
You will remain married as per marital status is concerned.
The ceremony you desire to conduct in India India can be considered as part of your marriage celebration and not a marriage itself because you are already married.
There's no necessity for getting apostle of the documents if you don't have to get your marriage registered in India India once again.
Since you are not going to settle in India in future you don't have to concerned about getting your marriage registered in India
You can visit India as a NRI whenever you desire to.
The decision is yours