To fat infill on first layer
Can i control the infill amount for the first layer seperatly?
Perimeters are fine, adhesion is good.
How to fix this?
You can't and there should be no need to. If your flow multiplier is too high than it is for all too high. You see it more in infill then on perimeters. Or your starting height is too close so first layer piles up more filament as needed.
A typical trick is to make the first layer higher then the rest. That makes it easier to get it sticky without getting overfill.