I've failed in board exams but passed in advanced supplementary, am I eligible to write EAMCET?

No, you will not get a rank if you don't qualify Andhra Pradesh EAMCET.

• Only candidates who meet the qualifying criteria are ranked.
• For General and OBC categories, you must score at least 25% of the total marks (i.e., 40 out of 160).
• SC/ST candidates have no minimum mark requirement, but still need to appear for the exam to be ranked.

If You Don't Qualify:
You will not receive a rank.
You will not be eligible for Andhra Pradesh EAMCET counselling or seat allotment in engineering, agriculture, or pharmacy courses through APSCHE.

General & OBC Categories: Must score at least 25% of total marks, that's 40 out of 160 to become eligible for ranking and counselling. 
SC/ST Categories: There is no minimum qualifying score; all SC/ST candidates are ranked irrespective of their marks

If two candidates score the same marks in Andhra Pradesh EAMCET 2025, the tie-breaking rules are applied in the following order to determine their rank:

Tie-Breaking Criteria (Engineering Stream):

• Higher marks in Mathematics section of Andhra Pradesh EAMCET.
• If still tied, higher marks in Physics section.
• If still tied, older candidate (by age) gets preference.
• If the tie still remains, the lottery system (random number) may be used.

For Agriculture & Pharmacy Stream:

• Higher marks in Biology.
• If tied, higher marks in Physics.
• Then, age (older candidate preferred).

Andhara university is the best university you should try for it .

• Visit the official portal: cets.apsche.ap.gov.in/EAPCET
• Log in using your registration number and hall ticket number
• Download the rank card directly from the site after logging in