dropping out of a BTech program in the middle can be a problem but you must focus on your future goals and then you can definitely overcome it first you need to prioritise clearing your backlogs and focus on clearing them as soon as possible. You can consult with your college or university and  well then prepare for GATE properly. understand the syllabus properly and focus on the core subjects and understand their marks criteria. practice regularly solve previous year question papers of Gates And also possible join a coaching institute. GATE 2025