Hello there,

Your expected percentile and rank in JEE Mains 2025 (24th Jan Shift 1) based on 66-71 marks can be estimated as follows:

Estimated Percentile:

• 66 Marks: 81-83 percentile
• 71 Marks (including bonus): 83-85 percentile
  
  Estimated Rank:
  
  
• At 81-83 percentile: Approx. 1.8 - 2.2 lakh rank
• At 83-85 percentile: Approx. 1.5 - 1.8 lakh rank

Factors affecting percentile:

• Shift difficulty (24th Jan Shift 1 was moderate)
• Number of students appearing in the session

For a more precise percentile, wait for the official NTA normalization process .

I would recommend you to use JEE Mains Rank Predictor Tool by Careers360 to get the list of possible colleges you can get with your rank.

I hope this answer helps you. If you have more queries then feel free to share your questions with us we will be happy to assist you.

Thank you and wishing you all the best for your bright future.