hey,

what ever subject you have studied in diploma question will be form those topics. so study your notes of diploma. there is book by  R, gupta  'lateral entry to engineering degree'  entrance exam which is on the basis of questions which is asked in  all over india lateral entry examinations. you can purchase it from flipkart.

Hello aspirant,

In order to get a clear cut idea about lateral entry in b.tech after diploma i will provide you with a link where you can check all the information you need.

https://engineering.careers360.com/articles/uttarakhand-btech-admission

Best text books for Civil lateral entry are as following:

1. Leet (lateral entry entrance test)  -Guide

2.Lateral entry of engineering degree

Go through the reference and reviews before you opt any book.

Thank you!