Investment banking individuals are the highest earner in the field of finance the work is often fast-paced and involves a variety of tasks, including financial modeling, valuations, and deal structuring with lot of work load and lack of work life balance.to become investment one needs to do MBA from top IIM for which CAT exam is required.you can look here for details of cat exam like its fee registration and process of the exam

https://bschool.careers360.com/exams/cat