Hello aspirant,

If you want to take the lateral entry admission in Btech, then you need to clear your knowledge with the basics first for clearing JEE mains exam.

Here are the top most books that I recommend you that is worth for cracking JEE mains :

PHYSICS : H.C. Verma, I.E.Irodov , Cengage Physics , Arihant series for physics, DC. Pandey for mechanics, Kinematics and Thermodynamics.

MATHS : Arihant series for mathematics for JEE mains and ADV , Cengage series for mathematics, Loney for higher Algebra, A.Das. Gupta for Higher mathematics in JEE mains and adv, Higher Algebra .

CHEMISTRY : Cengage series, NCERT books and previous year questions are good.

I hope that this willl help.