KReport Customization

We are using Suite CRM 7.9.11 . we have installed KReporter v4.2. We want to customise KReports. Let us guide on that.
Below is the report requirements:
We have prepared a report using 4 modules now on the first coloum we want to provide a link of another report related to that module.
we also want drilled down functionality without any paid plugin

The features you are requesting are only available with the paid version

We are have installed Kreports from the following url:

We have downloaded KREST API, Base Package and core Package.

That’s the free version. No dropdown functionality as FibreCRM_Simon mentioned.