You claim that your Hindu faith means little to you at this time but it actually seems to mean a whole lot to you, because you seem to be expecting your children, even if Catholic, to participate in the Hindu religion.
Raising children with two faiths is raising them in neither faith.
All others were founded by mere men who think they have a better plan than God.
We have plans of getting married but the problem is our religious differences.
I would put off the wedding until you can come to terms with your religious differences.
Even if your wedding were celebrated in accordance with both traditions, the rest of your lives you will see issues arise, especially if your faith is important to both of you, as you imply.
We both spend time now in The Word and are able to see both sides of things where in the past it was all or nothing for him.
The only one you should want to approve of your marriage is God.
But a relationship is about finding a common ground and making things work.