Hi amrut 

If you want to prepare for imu cet then you have 2 options just prepare online by sample papers ,videos on YouTube 

OR

Just purchase book from market. There are lots of books available in market for imu cet just purchase any one of them and start your study 

You can find sample papers on this link

https://www.google.com/amp/s/engineering.careers360.com/articles/imu-cet-sample-papers-question-paper/amp