The AP ECET exam pattern for ECE group typically follows this structure:

• This exam usually consists of 3 subjects:

1. Mathematics
2. Physics
3. Chemistry

• The total marks for this exam is 200 marks. There will be a total of 200 questions and no negative marking is given for incorrect answers.
• The marks distribution for each subject is as follows:

1. Mathematics -  50 Qn's - 50 marks
2. Physics           -  25 Qn's - 25 marks
3. Chemistry      -  25 Qn's -  25 marks
4. ECE.                -  100 Qn's - 100 marks

• The exam is conducted as computer based test. The exam consists of multiple choice questions, minimum 50 marks are required to qualify in the exam.
• The duration of the exam will be for 3 hours.

Know more about AP ECET, using the below link.

https://engineering.careers360.com/articles/ap-ecet-exam-pattern