Yes, it is possible to pursue admission in computer science in Australia after completing 12th science in India. To apply for undergraduate programs, you typically need to meet academic requirements, such as completing relevant subjects in high school, and demonstrate proficiency in English through exams like IELTS or TOEFL. Additionally, universities may consider your academic performance, standardized test scores, and other relevant criteria during the admission process. Researching specific university requirements and preparing necessary documents will enhance your chances of successful admission.