Hey Maruthi.

There are separate tips for each kind of critical Reasoning questions. A few tips which would help you improve your performance are-

Try to Simplify the language of the question. Break the question in parts and read it to get a better understanding of what is being asked.

Make sure that your basics and concepts regarding the topic is very clear. You won't be able to perform well unless you have a basic understanding.

Practice a lot. You will get a better grasp of the concept and you will be able to deal with such questions with ease. Practice makes everything easy.

Time yourself while practicing as solving the question in time is very important for competitive exams.

Try to make mnemonics etc in case you have any problem is dealing with the steps or any formulae if required any where.

Best of luck.