Choosing the subjects you want to study at university is a big decision. The undergraduate subjects you choose now will affect your career, the jobs you can get, what you can study later, and your growth in your job. Many students make mistakes when selecting subjects for degrees such as B.A, B.Sc, B.Com, B.Tech, and others. Here are the top five mistakes to avoid when choosing subjects in 2026. Choosing Based on Others’ OpinionsStudents often pick subjects that their friends or classmates are taking. Sometimes they follow what is popular without considering what they are actually good at. The subjects chosen by friends may not suit them, which can lead to losing interest, feeling stressed, and performing poorly. You should always consider your own interests and abilities first.How to avoid:Make a list of your strengths and interests.Strengths could include teamwork, problem-solving, and adaptability.Interests might include music, sports, history, or science.Talk to teachers and career counsellors before deciding. Not Doing Enough ResearchSome students choose subjects without understanding the course, the skills required, or the career opportunities it offers. This can result in limited growth prospects. For example, many students choose science streams like B.Sc. Zoology at universities such as Delhi University without examining the options or career paths.How to avoid:Read the subject syllabus carefully to understand what it entails.Find out what careers and further studies the course can lead to. Choosing Only for Salary or PrestigeWhen deciding what to study, do not focus solely on potential earnings. A high salary does not guarantee long-term happiness if you dislike the subject or career. Education is a personal choice. Selecting a course based only on money or prestige is a common mistake. Choosing subjects you enjoy will lead to greater satisfaction and long-term success.How to avoid:Balance your passion with career growth potential.Consider both short-term and long-term outcomes. Ignoring Your Skills and InterestsStudents often ignore their strengths and preferences. Some subjects require specific skills, such as mathematics or creative writing. Choosing subjects that do not match your abilities can lead to stress and poor performance. Pick subjects that suit your learning style and interests.How to avoid:Take quizzes or aptitude tests to identify your strengths.Explore sample classes or study materials to get a feel for the subject before deciding. Rushing the Decision ProcessMany students rush their choices due to deadlines, pressure, or comparison with peers. This can lead to frustration later. Taking time to reflect, talk to others, and explore all options reduces the risk of mistakes.How to avoid:Make a list of priorities, including:Your interestsCareer aspirationsCurriculum contentRequired examsSpend a few weeks exploring each subject thoroughly to understand it fully. Bonus Tip: Seek Expert GuidanceMany students do not consult career counsellors. Career counsellors can help match your personality, skills, and career goals with the right subjects. Choosing your undergraduate subjects is a career-defining step. Avoiding these mistakes will help you select subjects aligned with your strengths, interests, and future goals. A well-informed decision today can make your university years easier and your career stronger in 2026 and beyond.