Hello,

This year  under CUCET there are a total of 12 central universities participating, and amidst this only central university of haryana offers BTech in computer science and engineering, the entrance test will be conducted in online mode in English, there are two parts - Part A has 25 questions comprising of English/General Knowledge and Numerical Ability, and Part B has 25 questions each for Physics/Chemistry/Mathematics or Biology, hence there are a total of 100 questions, go though the syllabus at https://cache.careers360.mobi/media/uploads/froala_editor/files/Syllabus_UIQP01.pdf, when it comes to study materials you can go through NCERT books and further supplement it with any other engineering entrance test books, since you're an engineering aspirant you must be preparing for some other entrance tests as well, hence you can refer those books along with NCERT, make a proper time table and accordingly assign number of hours to each subject, keep your study materials minimal, practice is the key here,

you can check out previous year paper of CUCET UG regarding this at https://university.careers360.com/download/sample-papers/cucet-ug-model-question-paper, this will make you be acquainted with paper pattern, marking scheme, important topics, help you analyze your areas of strength and weakness, and improve your speed, efficiency, and time management skills,