Based on the AEEE (Amrita Entrance Examination) Phase 1 results, a percentile score of 56.9982 can be estimated as follows:

Estimated Marks and Rank

- Marks:Approximately 55-60 marks out of 180 (based on the AEEE marking scheme).

- Rank: Estimated rank between 23,000 to 28,000 (based on the total number of candidates who appeared for the exam).

Please note that these estimates may vary depending on the actual marking scheme, the number of candidates, and other factors.

To get the exact marks and rank, I recommend:

1. Checking the official website: Visit the Amrita University website for the official AEEE results and scorecard.

2. Contacting the university: Reach out to the Amrita University admission authorities for clarification on your marks and rank.

Keep in mind that the AEEE exam is highly competitive, and the actual marks and rank may vary from these estimates.