With 71 marks in NEET and a rank of 265,341 in the SC category, you have qualified for the exam as you meet the minimum qualifying criteria. However, the eligibility for admission into medical colleges will depend on the cutoff scores set by the respective colleges and the overall competition.

1. Qualifying Criteria : According to NEET guidelines, candidates from the SC category need to secure a minimum of 40th percentile to qualify. As per NEET 2023, the cutoff for the SC category was around 40-45 marks , indicating that you qualify.
   
   

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2. Admission Opportunities : While you are qualified, securing a seat in government medical colleges might be challenging due to the competitive nature and varying cutoffs. For SC candidates, cutoffs for medical colleges often range from 200 to 450 marks , depending on the institution and state.
   
   

3. Private Colleges : You may have better opportunities in private medical colleges or alternative courses in the health sector.

For the most accurate information on cutoffs and admission opportunities, you can check official resources like the NEET website or the medical counseling authority in your state.