Since its hard to change customs on short notice and you want to start on right foot, search Groupon.
Not sure what your budget for gifts is but they have diamond gift sets/necklaces for $40-$60 (with face value of 150$-300$). I’d rather give these instead of splitting it into 2-3 small items for each person. Now diamond quality is not the one you want to give to your spouse but hey, its DIAMOND.
I would not go with “dont give anything”. Gifts are supposed to increase the bond b/w relationships if given within reasonable limit without any pressure. I am sure you want to gift something to your mil and fil. I would not go as far as phuppo, khala, etc etc. That would be a overkill