What should be the strategy on the D-day of the CAT exam??

The right choice of question can make or loose your score. Face it, it is very unlikely that you will be able to solve all the questions in the given time. Also each question carries the same weightage.

So, first select the questions you find easy and keep the difficult ones for later. The easy questions are usually those that appear very familiar on the first reading itself and the method of solving which is more clear to you.

Remember, it does not make any sense to do questions that are more than five lines long, as even if they are easy, reading alone will consume a lot of time. Unless you have a lot of time, don’t attempt questions from topics which are are not your forte. This'll help you a lot....

According to me a proper Test or Exam direction is very important, so read them carefully. If you are in doubt ask the teacher to explain any test direction that you did not understand. A good score on the exam is achieved only by following the directions. If you don't follow directions, you won't be able to demonstrate what you know.

Stay cool. and focus on solving 40% only first. you are very near to 99. after that few more easy quesions and you are done. 

According to me, Time management is very crucial in CAT since you have to get a minimum score in each section. The first three to four minutes should always be spent scanning the entire paper and understanding the surprise elements present in CAT. Then, one should check the number of questions in each section and allocate time to the sections based on your experience in the mock tests.

To me, who ever are giving their CAT in this year the main strategy would be a good idea to tackle each section in at least two rounds. In the first round, run through the section as fast as possible and be extremely choosy about the questions you attempt. All questions you decide to solve should be done in less than a minute. Try to finish the first round in about 1/3rd of the time allocated for that section and try to attempt around 1/4th of the questions in that section. Attempt the unsolved ones in the remaining time in round two. In the verbal section for instance, you are likely to do questions on vocabulary and grammar in the first round and questions on para-jumbles and reasoning in the second. Use the mock tests to fine-tune your strategy for the Finals.