Hi Niti,
Follow below steps:
1. Once you select the packed bubbles chart with required Dimensions/Measures.
2. Now drop order-id in size field and change to CNT([Order_Id]) if not selected as count aggregation..
3. Now drag and drop the category field in Color shelf.
4. Add other measures in text or detail shelf.
![](https://www.edureka.co/community/?qa=blob&qa_blobid=3505962483952456744)
Hope this helps you.