Hey Saurav,
In my opinion, the key to CR is recognizing the TYPE of CR question you're looking at, and adjusting your approach accordingly. There's a finite number of CR concepts tested:
"¢ CR: Bolded Statement
"¢ CR: Assumption
"¢ CR: Complete the Passage
"¢ CR: Argument Evaluation
"¢ CR: Flaw
"¢ CR: Must Be True
"¢ CR: Cause and Effect
"¢ CR: Method of Reasoning
"¢ CR: Inference
"¢ CR: Resolve the Paradox
"¢ CR: Strengthen
"¢ CR: Weaken
If you can recognize the TYPE of question, then you understand the expectations the problem has for you. Regardless, your strategy for all CR should be some form of the following:
Step 1 - Identify the Question-Type
Step 2 - Break Down the Information
Step 3 - Write down a Prediction
Step 4 - Read ABCDE, Use Symbols to Record your First Impression ("+", "-" , or "?")
Step 5 - Narrow it Down to the Final Two, Eliminate all "-" and Re-evaluate any "?" Choices
Step 6 - Select the Choice that Does the Job of the Question-Type
If you have not done so already, I recommend you utilize the following books:
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https://www.amazon.com/PowerScore-GMAT-C ... 0972129634
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https://www.amazon.com/Critical-Reasonin ... 1935707612
-the OG Guide
Do ONE question-type at a time. To start, I suggest you focus on Weaken, Strengthen, and Assumption, since they are the most commonly tested.
If you like to learn video videos in addition to written materials, there are many CR Thursdays with Ron videos that provide excellent free instruction:
https://www.manhattanprep.com/gmat/thursdays-with-ron/
You can also learn more about my approach to CR on my free blog posts:
https://gmatrockstar.com/tag/gmat-critical-reasoning/
Good luck!
Best,
Vivian