Hello aspirant

With 343 marks and being OC category candidate you may get Aipvt counselling in Andhra Pradesh. Which College you will get depends upon cut off if the college , cut off changes every year and depends upon number of candidates appeared and qualified in exam, difficulty level of exam and previous year's cut off etc .

You  can get seat in following colleges

NTR college of veterinary science

College of veterinary science, Tirupati

College of veterinary, Proddature, Andhra Pradesh

For more information and college prediction following link may help you

https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer