Hello Friend, Good that you are seeking a help.
Yes, it's a major and important decision in your life. But First you need to decide what do you want from a marriage relationship.
Suggest you get a pre marriage assessments done to figure out yourself and get a clarity on what kind of partner would suit your personality and expectations. It really helps to look beyond just the physical outlook and expectations for a long-term relationships.
Next Steps
Feel free to reach out to me online through Practo app for the detailed assessment and suitable recommendations. Be confident. You will identify your right choice.