As a District Rank Holder who cleared all levels in the 1st Attempt, I know that understanding the concept is only 50% of the battle—the other 50% is presentation and keywords.
Drop a query if you are stuck in:
How I help: Send me your specific doubt or a photo of the question you are stuck on. I will reply with a simplified explanation or an audio note on how to tackle it in the exam.
Note: This is a free service. Please be specific with your question!