Hey.

To be eligible for admission in BA Hons im Aligarh Muslim University you need to pass Class 12th or  equivalent examination with minimum 50 percent marks aggregate in English and three Subjects amongst-Accountancy, Arabic, Banking, Biology, Biotechnology, BusinessOrganization, Business Studies, Chemistry, Commerce, Computer Science, Economics, Education, English, Fine Arts, Geography, Hindi, History, Home Science, Islamic Studies, Mathematics,Persian, Philosophy, Physical Health Education, Physics, Political Science /Civics, Psychology, Sanskrit, Sociology, Statistics, Urdu and Modern Indian Languages (Bengali, Tamil, Telugu, Malayalam, Marathi, Punjabi and Kashmiri).

The maximum age limit fot graduation course is 24 years.

Hence if you fulfil the above criteria you can apply for it even if you passed 12th in 2018.

Best of luck.