To be eligible for the B.Sc. (Bachelor of Science) degree program at Patrician College of Arts and Science in Chennai, aspiring students must meet the following criteria. Firstly, candidates must have completed their higher secondary education (10+2) or any equivalent examination recognized by the government board. Secondly, they should have chosen the science stream during their higher secondary education, with subjects like Physics, Chemistry, and Biology/Mathematics. Additionally, applicants must secure a minimum aggregate of 50% in their qualifying exams. Lastly, candidates must fulfill any other specific requirements set by the college, such as entrance exams or interviews, as per the college's admission guidelines.