Option 1: Continue with Sachin Rana's videos

Advantages:

• Familiarity: You're already comfortable with his teaching style and approach.
• Progress: You've made progress in GOC and isomerism, building a foundation.
• Time Efficiency: You might be able to complete the remaining chapters faster since you've already covered some basics.

Disadvantages:

• Uncertain Completion Time: Completing all of NS sir's lectures might take longer than you anticipate, potentially affecting your preparation for the JEE Advanced.
• Lack of Focus: You might find it difficult to switch between two different teaching styles and approaches.

Option 2: Switch to NS sir's lectures

Advantages:

• Comprehensive Coverage: NS sir's lectures are known for their depth and clarity, ensuring a thorough understanding of all organic concepts.
• Advanced Preparation: Focusing on NS sir's lectures could help you prepare better for the JEE Advanced level.

Disadvantages:

• Restarting from GOC: You'll need to revisit some concepts you've already covered with Sachin Rana.
• Time Investment: Completing all of NS sir's lectures might take longer than you currently have.

Decision-Making Factors:

1. Your Current Progress: If you feel confident with your understanding of GOC and isomerism from Sachin Rana, you can consider continuing with him. However, if you want a more comprehensive and in-depth understanding, switching to NS sir might be beneficial.
2. Time Constraints: Assess how much time you have before the JEE Advanced. If time is a major factor, sticking with Sachin Rana's shorter videos might be more efficient.
3. Learning Style: Consider which teacher's teaching style resonates better with you. If you prefer a more structured and detailed approach, NS sir might be a good fit.

Recommendation:

Ultimately, the decision should be based on your individual preferences, learning style, and time constraints. It might be helpful to watch a few lectures from both teachers to see which one aligns better with your learning needs.

Additional Tips:

• Supplement with Practice: Regardless of which teacher you choose, practice regularly to solidify your understanding and problem-solving skills.
• Mock Tests: Take mock tests frequently to assess your progress and identify areas where you need to improve.
• Seek Clarification: Don't hesitate to ask questions or seek clarification from your teachers or classmates if you have any doubts.

I hope this guidance helps you make an informed decision!