help, regarding admission

hey so i'm currently in 12th. i'm from isc board. i really really want to join thapar university for computer science, like its my dream. about her mains it went bad as i didn't study 11th syllabus. i'm trying to work hard for boards so i can get directly in thapar, i don't stay in punjab. help, motivate me. also share your own admission story and journey.