Hi Latha,
Follow the below steps:
1. Create the bar chart as required. ( For ex. below)
![](https://www.edureka.co/community/?qa=blob&qa_blobid=12543389104274083525)
2. Craete a calculted field with any constant value or create a fixed avg(measure).
3. Now add the created field in the sheet.
![](https://www.edureka.co/community/?qa=blob&qa_blobid=14759254301957804392)
4. Now make a dual axis chart.
![](https://www.edureka.co/community/?qa=blob&qa_blobid=561139505510474129)
Thus in the above chart green color shows no value or zero.
Hope it helps you.