Hi @mkanth43 ,
Yes, we can add more columns for categories(such as additional numerical categories) and values to provide additional information.
related document link: xViz Gantt Chart - Power BI Advanced Custom Visual
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
Maybe you can try to create an index in power query and sort by index.
Click here to read more about the December 2021 Updates!
Mark your calendars and join us for our next Power BI Dev Camp!
Learn how to create your own user groups today!