DILR question asked On Atma & MAT are quite similar then Banking exam & CMAT exam..Here i am Mention some points below which You have to prepare for DILR section.

Alphanumeric Series

Ranking/Direction/Alphabet Test

Data Sufficiency

Coded Inequalities

Seating arrangements

Puzzles

Tabulation

Syllogism

Blood relation

Input out put

Coding Decoding

You can refer RS agraval book for DILR section