Hi, if you are facing issues in comprehending the passage then I would suggest active reading. Read the paragraph and write the summary in 4-5 words. It need not be the proper sentence, just 4-5 words that describe the main idea of the paragraph will suffice. You have around 50 Days till CAT. Even if you start from today and read around 2-3 Articles everyday from CAT Daily article (
https://cracku.in/cat-daily-articles) I am sure you will improve. I will look like a waste of time for the first few days but you need to be consistent and have to give at least 1 hour everyday till CAT. All the best.