do venn diagrams come in dilr if yes how to practice them ??

Yes, they can come in cat exam under set theory, to practice them, u have the questions ready under the practice section of this website here " https://percentyl.in/practice/dilr/venn-diagrams " , u can practice them here or else head to the resource section, u will find plenty of links which will redirect u to the source where u can practice the questions, All the best.