As per the exam pattern of PU BA LLB, there is 100 questions from topics like legal aptitude, current affairs, English etc.
Marking scheme- 1 mark for every correct answer
0.25 marks will be deducted for each incorrect answer
You can check the exam pattern to go through with the given below link.
Exam will be taken in offline mode which is an OMR based exam. This exam will be of 90 minut and this paper is three languages English, Hindi and Punjabi. There will be hundred questions in hundred marks. One mark will be given for each correct answer and 0.25 will be detected for each wrong answer.
For more information related to the exam pattern for PU LLB exam you can go to the link given below.
I hope your question has been answered properly.
All the best for your future!