Well, they could face a whole bunch of issues. Firstly, there's the religious aspect. Hindus and Muslims have different religious ceremonies and beliefs about marriage. This can cause a ruckus when it comes to family acceptance. Secondly, there's the cultural bit. Their eating habits, festivals, and social customs are different. It might be difficult for them to blend these two different worlds together. And let's not forget the community pressure. People around them might gossip or even try to break them up because of the religious divide.