To start with COMEDK preparation, you should first go for NCERT books. After that, you can try other books like-

1) HC Verma for Physics

2) JD Lee Concise Inorganic Chemistry

You can also download eBooks from the below link-

https://engineering.careers360.com/download/comedk-uget-ebooks

And for some sample papers, refer this link-

https://engineering.careers360.com/download/comedk-uget-ebooks

Hope it helps!

Previous year question papers. You should know the answer to almost every question asked in the previous 10 COMED-K papers. Trust me, it will push your rank by at least 20%. NCERT books for class XI & XII were sufficient.and some more

• Lateral Entry to Engineer Degree (B.E./B. Tech) Exam Guide by R Gupta
• Mathematics for Karnataka CET and COMEDK by Base — 2nd Edition
• Physics for Karnataka CET and COMEDK by Base