I am currently in class 12.i have recently realised that I want to do bba llb as my after 12 twelve course.Clat exams are in may.i am from commerce stream,can I prepare in this short span of clat

You can absolutely nail the exam in the available time. The fact that CLAT syllabus has topics from English, Mathematics, GK and Current Affairs, Logical Reasoning and Legal Aptitude, it will make it easier for you. So just go and give your best. The online applications will begin tentatively from January 2020. For more information, pkease visit our page at: https://law.careers360.com/articles/clat