Hey,

With 303 marks, you will get a rank between 246358-262168. You can check it here https://medicine.careers360.com/articles/neet-result-marks-vs-rank

Based on previous year cut off, you have very little chance of getting a medical seat in Karnataka. As, last year the cut off for SC category was 323. You will get a dental seat in Karnataka. To know more about Karnataka cut off, check here https://medicine.careers360.com/articles/neet-cutoff-karnataka

To get a list of colleges in which you have a chance of getting MBBS/BDs seat, you can use NEET College Predictor https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer