BHU BA LLB is devided into the sections like General Knowledge and Current Affairs, Legal Aptitude, Mental Ability, English Comprehension. If you are preparing  for CLAT or any other 5 years programme then it would be helpful for you.

You just have to follow the current affairs for last 6 months before the BLAT. You should read static Gk and in English your main focus should be on vocabulary and Grammar portion & in maths you need to prepare maths of up to 10th standard and in legal you have to be prepared for legal reasoning as well as legal knowledge.