what is the syllabus and reference book for cet polytechnic entrance exam

All the exams are set on a specific exam pattern. Before start preparation, first go through the exam pattern as it will provide you details about how many questions will be asked in the examination? What are the subjects that will come in the examination? what is the marking scheme? Is there any negative marking in examination? Find all the answers of this question then only you can start your preparation effectively.
Knowledge about syllbus is very important for the preparation of any examination. Delhi CET is conducted for 5 tests. Exam pattern & syllabus prescribed by exam conducting authority is different for every test. The syllabus of CET Delhi is based on 10th & 12th class syllabus of CBSE board