I expressed my interest of getting married soon with someone with my parents. They denied it. What should I do?

They are saying that I shouldn't get married and not providing any reason for why they are declining. They said that I don't deserve to get married and I need to remove the thought of getting married completely. Why they are doing like this? What can I do?
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Although many guys expressed their interest in marrying me. I want to get settled down with someone in those soon. But my parents are against the word of marriage and they don't want me to
I expressed my interest of getting married soon with someone with my parents. They denied it. What should I do?
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