Expression for gantt chart

[yoganantha321]

Hi all, I have a set 365 days leave planner along with me and different colors for different types of leave.

For 365 days, it is showing properly as shown in image 1

Image 1

But when i select city filter the orange color dates are not associated with that city But it is showing with compressed chart. Not showing any gap in between, showing in between gap as shown in image 2.

Image 2

But My expected output should be the compressed dates must be blank!!!!!!!!!

I have attached my file along with this

Anybody can help in this!!!!!

Regards,

Yoganantha Prakash G P