Hey!

A marks of 430 will get you a rank between 99914-109429. You can check it here

It is quite difficult to accurately say about the chances of getting a seat because cut off varies every year based on a number of factors. But, based on previous year, you have decent chance of getting a college in Karnataka with you belonging to Hyderabad-Karnataka and 2A category. Since you didn't mention the sub category of 2A, I'm mentioning the closing ranks as of first round subcategory wise of the colleges you have chance in-

Category 2AH - K Venkataramana Gowda Medical College, Dakshina Kannada closed at 97416.

Category 2AKH - Srinivasa Institute Medical Reasearch Centre, Mangalore closed at 103576.

Category 2ARH -Mahadevappa Rampure Medical College, Kalaburgi closed at 99628.

Navodaya Medical College closed at 106941.

Khaja Bande Navaz Institute of Medical Sciences, Gulbarga closed at 105945.

To know more about Karnataka NEET UG cut off, you can check here https://medicine.careers360.com/articles/neet-cutoff-karnataka

Further, to get a list of colleges in which you have a chance of getting MBBS/BDS seat, you can use NEET College Predictor here