Look man, if Indian parents could understand love, they wouldnโt do things like this.
But at the end of the day, this is not such a big problem. What her father said was because he probably hates you. If you love her and she loves you, you will find a way. She will have to control her family.
My Sindhi friend got married to his South Indian girlfriend and he was kicked out the first time he talked to her parents. They are married now and her parents are very nice to him. Shit happens.