Suppressing 4 level drill down crystal report

Hi

Go through below mentioned step to suppress 4 level drill down reports ::

Firstly, do grouping with 4 groups.
I
n Report header keep the chart and then goto section expert select suppress check box write
drilldowngrouplevel > 0
In group1 header keep groupname and summary field goto section expert and write
drilldowngrouplevel > 1
then insert section below the group header and keep chart and then goto section expert write
drilldowngrouplevel <> 1.
In group2 header keep groupname and summary field then goto section expert and write
drilldowngrouplevel > 2
then insert section below the group header
and keep the chart and then goto section expert write
drilldowngrouplevel <> 2